Gaya APA

Stevenson, L. (1974). Seven Theories of Human Nature : Christianity, Freud, Lorenz, Marx, Sartre, Skinner, Plato . New York, USA: Oxford University Press.

Gaya MLA

Stevenson, Leslie. "Seven Theories of Human Nature : Christianity, Freud, Lorenz, Marx, Sartre, Skinner, Plato". New York, USA: Oxford University Press, 1974. Academic.