Gaya APA

Richard, P., Elaine, H. (2009). Theories of Development : Contentions Arguments Alternatives (2nd.ed). New York: The Guilford Press.

Gaya MLA

Richard, Peet.., Elaine, Hartwick.. "Theories of Development : Contentions Arguments Alternatives". 2nd.ed New York: The Guilford Press, 2009. Text.