Dyfyniad APA

Kock, K. N. D., & Wolmarans, C. T. (2008). Invasive alien freshwater snail species in the Kruger National Park, South Africa. AOSIS.

Dyfyniad Arddull Chicago

Kock, Kenné N. De, and Cornelius T. Wolmarans. Invasive Alien Freshwater Snail Species in the Kruger National Park, South Africa. AOSIS, 2008.

Dyfyniad MLA

Kock, Kenné N. De, and Cornelius T. Wolmarans. Invasive Alien Freshwater Snail Species in the Kruger National Park, South Africa. AOSIS, 2008.

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