Cita APA (7th ed.)

Thomas, G. (2012). The rough guide to sri lanka (Fourth edition.). Rough Guides.

Cita Chicago (17th ed.)

Thomas, Gavin. The Rough Guide to Sri Lanka. Fourth edition. New York: Rough Guides, 2012.

Cita MLA (9th ed.)

Thomas, Gavin. The Rough Guide to Sri Lanka. Fourth edition. Rough Guides, 2012.