Dyfyniad APA

Rheinheimer, G., & Shewan, J. M. (1991). Aquatic microbiology/4th ed (4th ed.). John Wiley.

Dyfyniad Arddull Chicago

Rheinheimer, G., and J. M. Shewan. Aquatic Microbiology/4th Ed. 4th ed. New York: John Wiley, 1991.

Dyfyniad MLA

Rheinheimer, G., and J. M. Shewan. Aquatic Microbiology/4th Ed. 4th ed. John Wiley, 1991.

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