Dyfyniad APA

Bluff, L., Troscianko, J., Weir, A., Kacelnik, A., & Rutz, C. (2010). Tool use by wild New Caledonian crows Corvus moneduloides at natural foraging sites.

Dyfyniad Arddull Chicago

Bluff, L., J. Troscianko, A. Weir, A. Kacelnik, and C. Rutz. Tool Use by Wild New Caledonian Crows Corvus Moneduloides at Natural Foraging Sites. 2010.

Dyfyniad MLA

Bluff, L., et al. Tool Use by Wild New Caledonian Crows Corvus Moneduloides at Natural Foraging Sites. 2010.

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