Dyfyniad APA

Aptekar, L. (1994). Environmental disasters in global perspective. G.K. Hall ; Maxwell Macmillan Canada ; Maxwell Macmillan International.

Dyfyniad Arddull Chicago

Aptekar, Lewis. Environmental Disasters in Global Perspective. New York : Toronto : New York: G.K. Hall ; Maxwell Macmillan Canada ; Maxwell Macmillan International, 1994.

Dyfyniad MLA

Aptekar, Lewis. Environmental Disasters in Global Perspective. G.K. Hall ; Maxwell Macmillan Canada ; Maxwell Macmillan International, 1994.

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