APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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