Cita APA (7th ed.)

Das, B. C., & Mukherjee, B. N. (1994). Higher Trigonometry. U.N. Dhur & Sons.

Cita Chicago (17th ed.)

Das, B. C., i B. N. Mukherjee. Higher Trigonometry. Kolkata: U.N. Dhur & Sons, 1994.

Cita MLA (9th ed.)

Das, B. C., i B. N. Mukherjee. Higher Trigonometry. U.N. Dhur & Sons, 1994.