APA-referens (7:e uppl.)

Hackett, G., & Caunt, D. (1994). Quantitative methods: An active learning approach. Blackwell Business.

Chicago-referens (17:e uppl.)

Hackett, Graham, och David Caunt. Quantitative Methods: An Active Learning Approach. Cambridge, Mass: Blackwell Business, 1994.

MLA-referens (9:e uppl.)

Hackett, Graham, och David Caunt. Quantitative Methods: An Active Learning Approach. Blackwell Business, 1994.