Bibliographie - Engineering bibliographies - in Harvard style

In-text: (EASA), 2004)

Your Bibliography: (EASA), E., 2004. EASA TC for the Rolls-Royce RB211 Trent 900 engine. [online] easa.europa.eu. Available at: <http://easa.europa.eu/system/files/dfu/ws_prod-g-doc-Events-Rolls_Royce.pdf> [Accessed 25 January 2015].

In-text: (EASA), 2013)

Your Bibliography: (EASA), E., 2013. TYPE-CERTIFICATE DATA SHEET -- RB211 Trent 900 series engines --. [online] Available at: <http://www.easa.europa.eu/system/files/dfu/EASA-TCDS-E.012_Rolls--Royce_plc._RB211_Trent_900_series_engines-06-11122013.pdf> [Accessed 25 January 2015].

In-text: (COMKOM° GmbH, 2006)

Your Bibliography: COMKOM° GmbH, G., 2006. Airbus A380-800 - Long-haul fleet - Lufthansa Group. [online] Lufthansagroup.com. Available at: <http://www.lufthansagroup.com/en/company/fleet/lufthansa-passage/long-haul-fleet/airbus-a380-800.html> [Accessed 25 January 2015].

In-text: (Federal Aviation Administration (FAA), 2007)

Your Bibliography: Federal Aviation Administration (FAA), F., 2007. TYPE-CERTIFICATE DATA SHEET -- RB211 Trent 900 series engines --. [online] FAA. Available at: <http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/09b47c27a9cfb982862573080054f9ea/$FILE/E00075EN.pdf> [Accessed 25 January 2015].

In-text: (Lufthansagroup, 2007)

Your Bibliography: Lufthansagroup, L., 2007. Airbus A380-800 - Long-haul fleet - Lufthansa Group. [online] Lufthansagroup.com. Available at: <http://www.lufthansagroup.com/en/company/fleet/lufthansa-passage/long-haul-fleet/airbus-a380-800.html> [Accessed 25 January 2015].