Cita APA (7th ed.)

Moser, C. A., & Kalton, G. Survey methods in social investigation (2.). s.e.

Cita Chicago (17th ed.)

Moser, C. A., i Graham Kalton. Survey Methods in Social Investigation. 2. s.l.: s.e.

Cita MLA (9th ed.)

Moser, C. A., i Graham Kalton. Survey Methods in Social Investigation. 2. s.e.