Trích dẫn APA

Birla Institute of Scientific Research. (1979). Whither Coal: A study of post-nationalisation coal industry. Vision Book.

Trích dẫn kiểu Chicago

Birla Institute of Scientific Research. Whither Coal: A Study of Post-nationalisation Coal Industry. New Delhi: Vision Book, 1979.

Trích dẫn MLA

Birla Institute of Scientific Research. Whither Coal: A Study of Post-nationalisation Coal Industry. Vision Book, 1979.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.