Παραπομπή APA

Chopra, P. N. E., & Vallabhbhai Patel. (1990). The Collected works of sardar Vallabhbhai Patel.

Παραπομπή Chicago Style

Chopra, P N; Ed, και Vallabhbhai Patel. The Collected Works of Sardar Vallabhbhai Patel. New Delhi, Konark Publishers, 1990.

Παραπομπή MLA

Chopra, P N; Ed, και Vallabhbhai Patel. The Collected Works of Sardar Vallabhbhai Patel. 1990.