Dyfyniad APA

Bold, H. C., & La Claire, J. W. (1987). The plant kingdom (5th ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Bold, Harold Charles, and John W. La Claire. The Plant Kingdom. 5th ed. Englewood Cliffs, N.J: Prentice-Hall, 1987.

Dyfyniad MLA

Bold, Harold Charles, and John W. La Claire. The Plant Kingdom. 5th ed. Prentice-Hall, 1987.

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