Dyfyniad APA

Prieto, J., & Carol Christensen, T. (2001). Nocturnal butterflies of the Russian empire. Faber and Faber.

Dyfyniad Arddull Chicago

Prieto, Jose-Manuel, and Thomas Carol Christensen. Nocturnal Butterflies of the Russian Empire. London: Faber and Faber, 2001.

Dyfyniad MLA

Prieto, Jose-Manuel, and Thomas Carol Christensen. Nocturnal Butterflies of the Russian Empire. Faber and Faber, 2001.

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