Dyfyniad APA

Slabbekoorn, H., & Smith, T. B. (2002). Bird song, ecology and speciation.

Dyfyniad Arddull Chicago

Slabbekoorn, Hans, and Thomas B. Smith. Bird Song, Ecology and Speciation. 2002.

Dyfyniad MLA

Slabbekoorn, Hans, and Thomas B. Smith. Bird Song, Ecology and Speciation. 2002.

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