tensile strength of anisotropic 3d printer materials - Engineering bibliographies - in Harvard style

In-text: (The history of additive layer manufacturing, 2008)

Your Bibliography: Emps.exeter.ac.uk. 2008. The history of additive layer manufacturing. [online] Available at: <http://emps.exeter.ac.uk/engineering/research/calm/whatis/history/> [Accessed 1 February 2015].

In-text: (Garcia et al., 2012)

Your Bibliography: Garcia, C., Correa, J., Espalin, D., Barton, J., Rumpf, R., Wicker, R. and Gonzalez, V., 2012. 3D PRINTING OF ANISOTROPIC METAMATERIALS. PIER Letters, 34, pp.75-82.

In-text: (Hollander, 2015)

Your Bibliography: Hollander, K., 2015. Need for research on tensile strengths of 3D printed material.

In-text: (Oxman, Tsai and Firstenberg, 2015)

Your Bibliography: Oxman, N., Tsai, E. and Firstenberg, M., 2015. Digital Anisotropy: A Variable Elasticity Rapid Prototyping Platform. Boston, MA: Massachusetts Institute of Technology Media Laboratory.