Cita APA (7th ed.)

(2003). Survey research: The basics / Keith F. Punch.

Cita Chicago (17th ed.)

Survey Research: The Basics / Keith F. Punch. 2003.

Cita MLA (9th ed.)

Survey Research: The Basics / Keith F. Punch. 2003.

Atenció: Aquestes cites poden no estar 100% correctes.