Παραπομπή APA

Koul, O. N., & Bala, M. (1992). Punjabi Language and Linguistics. An Annotated Bibliography. Indian Institute of Language Studies.

Παραπομπή Chicago Style

Koul, Omkar N., και Mandhu Bala. Punjabi Language and Linguistics. An Annotated Bibliography. Patiala: Indian Institute of Language Studies, 1992.

Παραπομπή MLA

Koul, Omkar N., και Mandhu Bala. Punjabi Language and Linguistics. An Annotated Bibliography. Indian Institute of Language Studies, 1992.