APA-viite (7. p.)

Hoq, S., Khan, N. A., & Mia, S. H. (1968). A Course of Higher Trigonometry. Muslim Book Agency.

Chicago-viite (17. p.)

Hoq, Shamsul, Nurul Alam Khan, ja Sirajul Haque Mia. A Course of Higher Trigonometry. Malibagh Road, Dhaka: Muslim Book Agency, 1968.

MLA-viite (9. p.)

Hoq, Shamsul, et al. A Course of Higher Trigonometry. Muslim Book Agency, 1968.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.