Cita APA (7th ed.)

Wilkinson, D., & Birmingham, P. (2003). Using research instruments: A guide for researchers. RoutledgeFalmer.

Cita Chicago (17th ed.)

Wilkinson, David, i Peter Birmingham. Using Research Instruments: A Guide for Researchers. London: RoutledgeFalmer, 2003.

Cita MLA (9th ed.)

Wilkinson, David, i Peter Birmingham. Using Research Instruments: A Guide for Researchers. RoutledgeFalmer, 2003.