Marx alienation and communism - Sociology bibliographies - in Harvard style

In-text: (What are productive forces? | League for the Fifth International, 2015)

Your Bibliography: Fifthinternational.org. 2015. What are productive forces? | League for the Fifth International. [online] Available at: <http://www.fifthinternational.org/content/what-are-productive-forces> [Accessed 16 January 2015].

In-text: (Gorz, 1976)

Your Bibliography: Gorz, A., 1976. The Division of labour. Hassocks: Harvester Press.

In-text: (Marx and Engels, 1970)

Your Bibliography: Marx, K. and Engels, F., 1970. Das Kapital. Chicago: H. Regnery.

In-text: (Marx, 1952)

Your Bibliography: Marx, K., 1952. Das Kapital.

In-text: (Marx, 1959)

Your Bibliography: Marx, K., 1959. Economic and Philosophic Manuscripts of 1844. Economica, 26(104), p.379.

In-text: (Marx, 1965)

Your Bibliography: Marx, K., 1965. Das Kapital. Berlin: Dietz.

In-text: (Marx's Concept of Man. Erich Fromm 1961, 2015)

Your Bibliography: Marxists.org. 2015. Marx's Concept of Man. Erich Fromm 1961. [online] Available at: <https://www.marxists.org/archive/fromm/works/1961/man/ch04.htm> [Accessed 16 January 2015].

In-text: (Ollman, 1971)

Your Bibliography: Ollman, B., 1971. Alienation. Cambridge, U.K.: University Press.

In-text: (Marx and Engels on Human Nature, 2015)

Your Bibliography: Sfr-21.org. 2015. Marx and Engels on Human Nature. [online] Available at: <http://sfr-21.org/human-nature.html> [Accessed 18 January 2015].