Dyfyniad APA

Tyson, R. V., & Pearson, T. H. (1991). Modern and ancient continental shelf anoxia. Geological Society of India Council.

Dyfyniad Arddull Chicago

Tyson, R. V., and T. H. Pearson. Modern and Ancient Continental Shelf Anoxia. London: Geological Society of India Council, 1991.

Dyfyniad MLA

Tyson, R. V., and T. H. Pearson. Modern and Ancient Continental Shelf Anoxia. Geological Society of India Council, 1991.

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