Dyfyniad APA

Bird, E. C. F. (1996). Beach management. John Wiley and Sons.

Dyfyniad Arddull Chicago

Bird, Eric C F. Beach Management. Chichester: John Wiley and Sons, 1996.

Dyfyniad MLA

Bird, Eric C F. Beach Management. John Wiley and Sons, 1996.

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