Income inequality - Sociology bibliographies - in Harvard style

In-text: (Okun, 1975)

Your Bibliography: Okun, A., 1975. Equality and Efficiency: The Big Tradeoff. Political Science Quarterly, 91(2).

In-text: (Spence, 2000)

Your Bibliography: Spence, M., 2000. Capital Against Nature: James O'Connor's theory of the second contradiction of capitalism. Capital & Class, 24(3), pp.81-110.

In-text: (Stiglitz, 2009)

Your Bibliography: Stiglitz, J., 2009. Joseph E. Stiglitz: Rethink GDP fetish. [online] madison.com. Available at: <http://host.madison.com/ct/article_71fad514-9caa-11de-9a00-001cc4c03286.html> [Accessed 25 January 2015].

In-text: (Žižek, 2014)

Your Bibliography: Žižek, S., 2014. Slavoj Žižek comments on Thomas Piketty’s ‘Le Capital au XXIe siècle’. [online] κριτικατακ. Available at: <http://www.criticatac.ro/25733/slavoj-zizek-comments-thomas-pikettys-le-capital-au-xxie-siecle/> [Accessed 24 January 2015].

In-text: (Žižek, 2014)

Your Bibliography: Žižek, S., 2014. Slavoj Žižek comments on Thomas Piketty’s ‘Le Capital au XXIe siècle’. [online] κριτικατακ. Available at: <http://www.criticatac.ro/25733/slavoj-zizek-comments-thomas-pikettys-le-capital-au-xxie-siecle/> [Accessed 24 January 2015].