Bhattacharya, P. S. (2018). When coal turned gold. Penguin Random house.
Chicagoスタイル(17版)引用形式Bhattacharya, Partha Sarathi. When Coal Turned Gold. Gurgaon: Penguin Random house, 2018.
MLA(9版)引用形式Bhattacharya, Partha Sarathi. When Coal Turned Gold. Penguin Random house, 2018.
警告: この引用は必ずしも正確ではありません.