Cita APA (7th ed.)

Singleton, R., & Straits, B. C. Approaches to social research (Fourth edition.).

Cita Chicago (17th ed.)

Singleton, Royce, i Bruce C. Straits. Approaches to Social Research. Fourth edition.

Cita MLA (8th ed.)

Singleton, Royce, i Bruce C. Straits. Approaches to Social Research. Fourth edition.