Dyfyniad APA

Pecsok, R. L., & Shields, L. D. (1968). Modern methods of chemical analysis. Wiley.

Dyfyniad Arddull Chicago

Pecsok, Robert L., and Loran Donald Shields. Modern Methods of Chemical Analysis. New York: Wiley, 1968.

Dyfyniad MLA

Pecsok, Robert L., and Loran Donald Shields. Modern Methods of Chemical Analysis. Wiley, 1968.

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