Dyfyniad APA

Nichols, P. (1991). Social survey methods: A fieldguide for development workers. Oxfam Publications.

Dyfyniad Arddull Chicago

Nichols, Paul. Social Survey Methods: A Fieldguide for Development Workers. Oxford: Oxfam Publications, 1991.

Dyfyniad MLA

Nichols, Paul. Social Survey Methods: A Fieldguide for Development Workers. Oxfam Publications, 1991.

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