Dyfyniad APA

Taylor, M. R., Reece, J. B., & Campbell, N. A. (2008). Student study guide for Biology (8th ed.). Pearson/Benjamin Cummings.

Dyfyniad Arddull Chicago

Taylor, Martha R., Jane B. Reece, and Neil A. Campbell. Student Study Guide for Biology. 8th ed. San Francisco: Pearson/Benjamin Cummings, 2008.

Dyfyniad MLA

Taylor, Martha R., et al. Student Study Guide for Biology. 8th ed. Pearson/Benjamin Cummings, 2008.

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