Weil, T. E. (1974). Area handbook for Bolivia (2d ed.). For sale by the Supt. of Docs., U.S. Govt. Print. Off.].
Chicago Style aipamenaWeil, Thomas E. Area Handbook for Bolivia. 2d ed. [Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1974.
MLA aipamenaWeil, Thomas E. Area Handbook for Bolivia. 2d ed. For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.