Dyfyniad APA

Berra, T. M. (2001). Freshwater fish distribution. San Diego, CA: Academic Press.

Dyfyniad Arddull Chicago

Berra, Tim M. Freshwater Fish Distribution. San Diego, CA: Academic Press, 2001.

Dyfyniad MLA

Berra, Tim M. Freshwater Fish Distribution. San Diego, CA: Academic Press, 2001.

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