Dyfyniad APA

Baidyanath Basu Tanuka Chattopadhyay Sudhindra Nath Biswas. (2017). Introduction to Astrophysics (2.). PH Learning.

Dyfyniad Arddull Chicago

Baidyanath Basu Tanuka Chattopadhyay Sudhindra Nath Biswas. Introduction to Astrophysics. 2. Delhi: PH Learning, 2017.

Dyfyniad MLA

Baidyanath Basu Tanuka Chattopadhyay Sudhindra Nath Biswas. Introduction to Astrophysics. 2. PH Learning, 2017.

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