Παραπομπή APA

Grover, V. (1997). Pressure groups and politics of influnce.

Παραπομπή Chicago Style

Grover, Verinder. Pressure Groups and Politics of Influnce. New Delhi, Deep & Deep, 1997.

Παραπομπή MLA

Grover, Verinder. Pressure Groups and Politics of Influnce. 1997.