APA استشهاد

Leth, P. C., & Vandemark, . J. F. (1977). Small Group Communication. Cummings.

استشهاد بنمط شيكاغو

Leth, Pamela C., و Joann F. Vandemark. Small Group Communication. Menlo Park: Cummings, 1977.

MLA استشهاد

Leth, Pamela C., و Joann F. Vandemark. Small Group Communication. Cummings, 1977.