APA
Nyrop R. F., . (1973). Area handbook for Libya. Washington, D.C: U.S. Govt. Print Off.
Chicago
Nyrop Richard F, . 1973. Area handbook for Libya. Washington, D.C: U.S. Govt. Print Off.
Harvard
Nyrop R. F., . (1973). Area handbook for Libya. Washington, D.C: U.S. Govt. Print Off.
MLA
Nyrop Richard F, . Area handbook for Libya. Washington, D.C: U.S. Govt. Print Off. 1973.