Παραπομπή APA

Hajela, T. N. (2000). Co-operation: Principles, problems and practice. Konark Publishers pvt ltd.

Παραπομπή Chicago Style

Hajela, T. N. Co-operation: Principles, Problems and Practice. Delhi: Konark Publishers pvt ltd, 2000.

Παραπομπή MLA

Hajela, T. N. Co-operation: Principles, Problems and Practice. Konark Publishers pvt ltd, 2000.