Dyfyniad APA

Culcutta: Indian Society of Earth Sciences. (1991). Indian Journal of Earth Sciences, vol.18(1-4).

Dyfyniad Arddull Chicago

Culcutta: Indian Society of Earth Sciences. Indian Journal of Earth Sciences, Vol.18(1-4). Culcutta: Indian Society of Earth Sciences, 1991.

Dyfyniad MLA

Culcutta: Indian Society of Earth Sciences. Indian Journal of Earth Sciences, Vol.18(1-4). 1991.

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