Dyfyniad APA

ebrary, Inc, Krugger, M. I., & Stern, H. P. (2009). New permafrost and glacier research. Nova Science Publishers.

Dyfyniad Arddull Chicago

ebrary, Inc, Max I. Krugger, and Harry P. Stern. New Permafrost and Glacier Research. Hauppauge, NY: Nova Science Publishers, 2009.

Dyfyniad MLA

ebrary, Inc, et al. New Permafrost and Glacier Research. Nova Science Publishers, 2009.

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