Style de citation APA (7e éd.)

Mahmud, S. (1985). A Text Book of Higher Trigonometry (5th ed.). The Ideal Library.

Style de citation Chicago (17e éd.)

Mahmud, Sultan. A Text Book of Higher Trigonometry. 5th ed. Dhaka: The Ideal Library, 1985.

Style de citation MLA (9e éd.)

Mahmud, Sultan. A Text Book of Higher Trigonometry. 5th ed. The Ideal Library, 1985.