Cita APA (7a ed.)

(2007). Singh, Avtar (15th ed.). Eastern Book Company.

Cita Chicago Style (17a ed.)

Singh, Avtar. 15th ed. Lucknow: Eastern Book Company, 2007.

Cita MLA (8a ed.)

Singh, Avtar. 15th ed. Eastern Book Company, 2007.

Precaución: Estas citas no son 100% exactas.