APA (7e ed.) Bronvermelding

Weil, T. E. (1972). Area handbook for Peru. U.S. Government Printing Office.

Chicago (17e ed.) Bronvermelding

Weil, Thomas E. Area Handbook for Peru. Washington, D.C: U.S. Government Printing Office, 1972.

MLA (9e ed.) Bronvermelding

Weil, Thomas E. Area Handbook for Peru. U.S. Government Printing Office, 1972.