Dyfyniad APA

Taylor, R. T., Flores, A., Flores, G., & Bolaños, R. (1973). Geographical distribution of Viperidae, Elapidae and Hydrophidae in Costa Rica.

Dyfyniad Arddull Chicago

Taylor, Richard T., Alvaro Flores, Guillermo Flores, y Róger Bolaños. Geographical Distribution of Viperidae, Elapidae and Hydrophidae in Costa Rica. 1973.

Dyfyniad MLA

Taylor, Richard T., Alvaro Flores, Guillermo Flores, y Róger Bolaños. Geographical Distribution of Viperidae, Elapidae and Hydrophidae in Costa Rica. 1973.

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