Dyfyniad APA

(1990). Small group research. Sage Periodicals Press.

Dyfyniad Arddull Chicago

Small Group Research. Newbury Park, CA: Sage Periodicals Press, 1990.

Dyfyniad MLA

Small Group Research. Sage Periodicals Press, 1990.

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