Dyfyniad APA

ebrary, Inc, Columbus, A., & Kuznetsov, L. (2009). Endangered species: New research. Nova Science Publishers.

Dyfyniad Arddull Chicago

ebrary, Inc, Alexandra Columbus, and Luke Kuznetsov. Endangered Species: New Research. New York: Nova Science Publishers, 2009.

Dyfyniad MLA

ebrary, Inc, et al. Endangered Species: New Research. Nova Science Publishers, 2009.

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