Professional Book Publishers. (2019). The Official Languages Act, 1963 (19 of 1963). Professional Book Publishers.
Chicago Style (17. basım) AtıfProfessional Book Publishers. The Official Languages Act, 1963 (19 of 1963). New Delhi: Professional Book Publishers, 2019.
MLA (9th ed.) AtıfProfessional Book Publishers. The Official Languages Act, 1963 (19 of 1963). Professional Book Publishers, 2019.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..