APA-referens (7:e uppl.)

Guntner, T. A. (1994). Learning Apollo: Basic and advanced training. South-Western Pub. Co.

Chicago-referens (17:e uppl.)

Guntner, Talula Austin. Learning Apollo: Basic and Advanced Training. Cincinnati, Ohio: South-Western Pub. Co, 1994.

MLA-referens (9:e uppl.)

Guntner, Talula Austin. Learning Apollo: Basic and Advanced Training. South-Western Pub. Co, 1994.