Dyfyniad APA

Doyle, A. C., & Collins, A. (2005). The lost world (abridged version): 3 (elementary level). Macmillan.

Dyfyniad Arddull Chicago

Doyle, Arthur Conan, and Anne Collins. The Lost World (abridged Version): 3 (elementary Level). Oxford: Macmillan, 2005.

Dyfyniad MLA

Doyle, Arthur Conan, and Anne Collins. The Lost World (abridged Version): 3 (elementary Level). Macmillan, 2005.

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