Παραπομπή σε μορφή APA (7η εκδ.)

Professional Book Publishers. (2019). The Official Languages Act, 1963 (19 of 1963). Professional Book Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Professional Book Publishers. The Official Languages Act, 1963 (19 of 1963). New Delhi: Professional Book Publishers, 2019.

Παραπομπή σε μορφή MLA (9th εκδ.)

Professional Book Publishers. The Official Languages Act, 1963 (19 of 1963). Professional Book Publishers, 2019.