Dyfyniad APA

Graham Linda E., Graham James M., & Wilcox Lee W. (2006). Plant biology (Second edition.). Pearson Prentice Hall.

Dyfyniad Arddull Chicago

Graham Linda E., Graham James M., and Wilcox Lee W. Plant Biology. Second edition. New Jersey: Pearson Prentice Hall, 2006.

Dyfyniad MLA

Graham Linda E., et al. Plant Biology. Second edition. Pearson Prentice Hall, 2006.

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