Sattar, M. A. (1994). A Text Book of Trigonometry. Modern Book Centre.
Cita Chicago Style (17a ed.)Sattar, M. A. A Text Book of Trigonometry. Dhaka: Modern Book Centre, 1994.
Cita MLA (9a ed.)Sattar, M. A. A Text Book of Trigonometry. Modern Book Centre, 1994.
Precaución: Estas citas no son 100% exactas.