Dyfyniad APA

Greenwood, N. N., & Earnshaw, A. (1997). Chemistry of the elements (2nd ed.). Butterworth-Heinemann.

Dyfyniad Arddull Chicago

Greenwood, N. N., and A. Earnshaw. Chemistry of the Elements. 2nd ed. Oxford ; Boston: Butterworth-Heinemann, 1997.

Dyfyniad MLA

Greenwood, N. N., and A. Earnshaw. Chemistry of the Elements. 2nd ed. Butterworth-Heinemann, 1997.

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