Cita APA (7th ed.)

MISHRA, R. (1970). A Text book of trigonometry. Prakashan Kendra.

Cita Chicago (17th ed.)

MISHRA, R.S. A Text Book of Trigonometry. Lucknow: Prakashan Kendra, 1970.

Cita MLA (9th ed.)

MISHRA, R.S. A Text Book of Trigonometry. Prakashan Kendra, 1970.