Dyfyniad APA

Bird, E. C. (2010). Encyclopedia of the world's coastal landforms. Springer.

Dyfyniad Arddull Chicago

Bird, Eric C.F.,ed. Encyclopedia of the World's Coastal Landforms. Heidelberg: Springer, 2010.

Dyfyniad MLA

Bird, Eric C.F.,ed. Encyclopedia of the World's Coastal Landforms. Springer, 2010.

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