Dyfyniad APA

Spangenburg, R., & Moser, D. (1989). Living and working in space (space exploration). Facts On File.

Dyfyniad Arddull Chicago

Spangenburg, Ray, and Diane Moser. Living and Working in Space (space Exploration). New York: Facts On File, 1989.

Dyfyniad MLA

Spangenburg, Ray, and Diane Moser. Living and Working in Space (space Exploration). Facts On File, 1989.

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