Dyfyniad APA

Schneider, L., Stephan, C. W., & Zarcher, L. A. (1981). Human responses to social problems.

Dyfyniad Arddull Chicago

Schneider, Louis, Cookie White Stephan, and Louis A. Zarcher. Human Responses to Social Problems. Illinois, Dorsey Press, 1981.

Dyfyniad MLA

Schneider, Louis, et al. Human Responses to Social Problems. 1981.

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