Dyfyniad APA

Davidson, V. L., & Sittman, D. B. (1999). Biochemistry (4 ed.). Lippincott-Raven Publishers.

Dyfyniad Arddull Chicago

Davidson, Victor L., and Donald B. Sittman. Biochemistry. 4 ed. Philadelphia: Lippincott-Raven Publishers, 1999.

Dyfyniad MLA

Davidson, Victor L., and Donald B. Sittman. Biochemistry. 4 ed. Lippincott-Raven Publishers, 1999.

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