Dyfyniad APA

Sapsford, R., & Jupp, V. (1996). Data collection and analysis. Sage in association with Open University.

Dyfyniad Arddull Chicago

Sapsford, Roger, and Victor Jupp. Data Collection and Analysis. London: Sage in association with Open University, 1996.

Dyfyniad MLA

Sapsford, Roger, and Victor Jupp. Data Collection and Analysis. Sage in association with Open University, 1996.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.