एपीए उद्धरण

Hajela, T. N. Principles, Problems and Practice of Co-Operation. Shiva Lal Agarwala.

शिकागो स्टाइल उद्धरण

Hajela, T. N. Principles, Problems and Practice of Co-Operation. Agra: Shiva Lal Agarwala.

एमएलए उद्धरण

Hajela, T. N. Principles, Problems and Practice of Co-Operation. Shiva Lal Agarwala.