Gaya APA

Hakim, C. (1997). Research Design : Strategies and choices in the design of social research / Catherine Hakim (Cet. 1). London: Routledge.

Gaya MLA

Hakim, Catherine. "Research Design : Strategies and choices in the design of social research / Catherine Hakim". Cet. 1 London: Routledge, 1997. Buku.