Citazione Stile APA (7a Edizione)

6, P., & Bellamy, C. (2012). Principles of methodology: Research design in social science. Sage.

Citazione stile Chigago Style (17a edizione)

6, Perri, e Christine Bellamy. Principles of Methodology: Research Design in Social Science. Los Angeles, Calif: Sage, 2012.

Citatione MLA (9a ed.)

6, Perri, e Christine Bellamy. Principles of Methodology: Research Design in Social Science. Sage, 2012.