APA (7e ed.) Bronvermelding

SINGLETON, R. A., & STRAITS, B. C. (1999). Approaches to social research.-- ed.3. Oxford University Press.

Chicago (17e ed.) Bronvermelding

SINGLETON, Royce A., en Bruce C. STRAITS. Approaches to Social Research.-- Ed.3. Oxford: Oxford University Press, 1999.

MLA (9e ed.) Bronvermelding

SINGLETON, Royce A., en Bruce C. STRAITS. Approaches to Social Research.-- Ed.3. Oxford University Press, 1999.