Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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