Παραπομπή APA

Singh, S. (1973). Centre - state relations in agricultural development. Vikas publishing house pvt ltd.

Παραπομπή Chicago Style

Singh, S.P. Centre - State Relations in Agricultural Development. Delhi: Vikas publishing house pvt ltd, 1973.

Παραπομπή MLA

Singh, S.P. Centre - State Relations in Agricultural Development. Vikas publishing house pvt ltd, 1973.