Dyfyniad APA

Ahrens, M. R., Bush, N. F., & Easley, R. K. (1955). Laboratory problems for Living chemistry. Ginn.

Dyfyniad Arddull Chicago

Ahrens, Maurice Russell, Norris F. Bush, and Ray K. Easley. Laboratory Problems for Living Chemistry. Boston: Ginn, 1955.

Dyfyniad MLA

Ahrens, Maurice Russell, et al. Laboratory Problems for Living Chemistry. Ginn, 1955.

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