Παραπομπή APA

Chopra, J. K. (2005). Problems of child labour. A B D publishers.

Παραπομπή Chicago Style

Chopra, J. K. Problems of Child Labour. Jaipur: A B D publishers, 2005.

Παραπομπή MLA

Chopra, J. K. Problems of Child Labour. A B D publishers, 2005.