Cita APA

Durai Pandian, P. E. (1990). Trigonometry rev ed. Emerald publishers.

Chicago Edition Citation

Durai Pandian, P. Etc. Trigonometry Rev Ed. Madras: Emerald publishers, 1990.

Cita MLA

Durai Pandian, P. Etc. Trigonometry Rev Ed. Emerald publishers, 1990.