APA-referens (7:e uppl.)

Sellers, J. J. (2004). Understanding space: An introduction to astronautics (Revised second edition.). McGraw-Hill Custom Publishing.

Chicago-referens (17:e uppl.)

Sellers, Jerry Jon. Understanding Space: An Introduction to Astronautics. Revised second edition. Boston: McGraw-Hill Custom Publishing, 2004.

MLA-referens (9:e uppl.)

Sellers, Jerry Jon. Understanding Space: An Introduction to Astronautics. Revised second edition. McGraw-Hill Custom Publishing, 2004.