Cita APA (7th ed.)

Nyrop, R. F. (1971). Area handbook for Ceylon. U.S. Government Printing Office.

Cita Chicago (17th ed.)

Nyrop, Richard F. Area Handbook for Ceylon. Washington, D.C: U.S. Government Printing Office, 1971.

Cita MLA (9th ed.)

Nyrop, Richard F. Area Handbook for Ceylon. U.S. Government Printing Office, 1971.