Dyfyniad APA

Williams, R., & Lansford, E. W. (1967). Encyclopedia of biochemistry. Reifold.

Dyfyniad Arddull Chicago

Williams, Roger, and Edwin W. Lansford. Encyclopedia of Biochemistry. London: Reifold, 1967.

Dyfyniad MLA

Williams, Roger, and Edwin W. Lansford. Encyclopedia of Biochemistry. Reifold, 1967.

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