Citazione Stile APA (7a Edizione)

Nyrop, R. F. (1973). Area handbook for Libya (2d ed.). U.S. Government Printing Office.

Citazione stile Chigago Style (17a edizione)

Nyrop, Richard F. Area Handbook for Libya. 2d ed. Washington, D.C: U.S. Government Printing Office, 1973.

Citatione MLA (9a ed.)

Nyrop, Richard F. Area Handbook for Libya. 2d ed. U.S. Government Printing Office, 1973.