Dyfyniad APA

Babbie, E. (2004). The practice of social research. Belmont, CA: Wadsworth/Thomson Learning.

Dyfyniad Arddull Chicago

Babbie, Earl. The Practice of Social Research. Belmont, CA: Wadsworth/Thomson Learning, 2004.

Dyfyniad MLA

Babbie, Earl. The Practice of Social Research. Belmont, CA: Wadsworth/Thomson Learning, 2004.

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