Weil, T. E. (1974). Area handbook for Bolivia (2d ed.). U.S. Government Printing Office.
Cita Chicago (17th ed.)Weil, Thomas E. Area Handbook for Bolivia. 2d ed. Washington, D.C: U.S. Government Printing Office, 1974.
Cita MLA (9th ed.)Weil, Thomas E. Area Handbook for Bolivia. 2d ed. U.S. Government Printing Office, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.