Dyfyniad APA

Bhattacharya, P. S. (2018). When coal turned gold. Penguin Random house.

Dyfyniad Arddull Chicago

Bhattacharya, Partha Sarathi. When Coal Turned Gold. Gurgaon: Penguin Random house, 2018.

Dyfyniad MLA

Bhattacharya, Partha Sarathi. When Coal Turned Gold. Penguin Random house, 2018.

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