Dyfyniad APA

ebrary, Inc, & Chesley, A. T. (2009). Next generation of human space flight systems. Nova Science.

Dyfyniad Arddull Chicago

ebrary, Inc, and Alfred T. Chesley. Next Generation of Human Space Flight Systems. New York: Nova Science, 2009.

Dyfyniad MLA

ebrary, Inc, and Alfred T. Chesley. Next Generation of Human Space Flight Systems. Nova Science, 2009.

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