APA-referens (7:e uppl.)

Bordens, K. S., & Abbott, B. B. (2008). Research design and methods: A process approach (7th ed.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Bordens, Kenneth S., och Bruce B. Abbott. Research Design and Methods: A Process Approach. 7th ed. Boston: McGraw-Hill, 2008.

MLA-referens (9:e uppl.)

Bordens, Kenneth S., och Bruce B. Abbott. Research Design and Methods: A Process Approach. 7th ed. McGraw-Hill, 2008.