Dyfyniad APA

Saltzman, E. S., & Cooper, W. J. (1989). Biogenic sulfur in the environment. American Chemical Society.

Dyfyniad Arddull Chicago

Saltzman, Eric S., and William J. Cooper. Biogenic Sulfur in the Environment. Washington, DC: American Chemical Society, 1989.

Dyfyniad MLA

Saltzman, Eric S., and William J. Cooper. Biogenic Sulfur in the Environment. American Chemical Society, 1989.

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