Dyfyniad APA

Harper, K. C. (2010). Weather and climate: Decade by decade. Viva books.

Dyfyniad Arddull Chicago

Harper, Kristine C. Weather and Climate: Decade by Decade. New Delhi: Viva books, 2010.

Dyfyniad MLA

Harper, Kristine C. Weather and Climate: Decade by Decade. Viva books, 2010.

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