Dyfyniad APA

Carson, R. (2002). Silent spring: The classic that launched the environmental movement. Boston: Houghton Mifflin.

Dyfyniad Arddull Chicago

Carson, Rachel. Silent Spring: The Classic That Launched the Environmental Movement. Boston: Houghton Mifflin, 2002.

Dyfyniad MLA

Carson, Rachel. Silent Spring: The Classic That Launched the Environmental Movement. Boston: Houghton Mifflin, 2002.

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