APA-viite (7. p.)

Professional Book Publishers. (2019). The Post Office Act, 1898 (06 of 1898). Professional Book Publishers.

Chicago-viite (17. p.)

Professional Book Publishers. The Post Office Act, 1898 (06 of 1898). New Delhi: Professional Book Publishers, 2019.

MLA-viite (9. p.)

Professional Book Publishers. The Post Office Act, 1898 (06 of 1898). Professional Book Publishers, 2019.