Παραπομπή APA

Mangal S K & Mangal Uma. (1994). Essentials of teaching learning. Parkash.

Παραπομπή Chicago Style

Mangal S K και Mangal Uma. Essentials of Teaching Learning. Ludhiana: Parkash, 1994.

Παραπομπή MLA

Mangal S K και Mangal Uma. Essentials of Teaching Learning. Parkash, 1994.