Παραπομπή APA

Harland, D. M. (2007). first men on the moon: The story of Apollo II. Springer.

Παραπομπή Chicago Style

Harland, David M. First Men on the Moon: The Story of Apollo II. Berlin: Springer, 2007.

Παραπομπή MLA

Harland, David M. First Men on the Moon: The Story of Apollo II. Springer, 2007.