Gaya APA

Cramer, D. (1994). Introducing statistics for social research : step-bay-step calculations and computer techniques using SPSS / Duncan Cramer . New York: Routledge.

Gaya MLA

Cramer, Duncan. "Introducing statistics for social research : step-bay-step calculations and computer techniques using SPSS / Duncan Cramer". New York: Routledge, 1994. Buku.