Cita APA

Whitaker, D. P., & Roberts, T. D. (1972). Area handbook for Laos. For sale by the Supt. of Docs., U.S. Govt. Print. Off.].

Citación estilo Chicago

Whitaker, Donald P., and Thomas Duval Roberts. Area Handbook for Laos. Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1972.

Cita MLA

Whitaker, Donald P., and Thomas Duval Roberts. Area Handbook for Laos. For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1972.