Dyfyniad APA

Professional Book Publishers. (2019). The Copyright Act, 1957 (14 of 1957). Professional Book Publishers.

Dyfyniad Arddull Chicago

Professional Book Publishers. The Copyright Act, 1957 (14 of 1957). New Delhi: Professional Book Publishers, 2019.

Dyfyniad MLA

Professional Book Publishers. The Copyright Act, 1957 (14 of 1957). Professional Book Publishers, 2019.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.