Cita APA (7th ed.)

Shamsul Hoq and others. (1968). Course of higher trigonometry. Muslim Book Agency.

Cita Chicago (17th ed.)

Shamsul Hoq and others. Course of Higher Trigonometry. Dacca: Muslim Book Agency, 1968.

Cita MLA (9th ed.)

Shamsul Hoq and others. Course of Higher Trigonometry. Muslim Book Agency, 1968.