APA-viite (7. p.)

Kenward, B., Schloegl, C., Rutz, C., Weir, A., Bugnyar, T., & Kacelnik, A. (2011). On the evolutionary and ontogenetic origins of tool-oriented behaviour in New Caledonian crows (Corvus moneduloides).

Chicago-viite (17. p.)

Kenward, B., C. Schloegl, C. Rutz, A. Weir, T. Bugnyar, ja A. Kacelnik. On the Evolutionary and Ontogenetic Origins of Tool-oriented Behaviour in New Caledonian Crows (Corvus Moneduloides). 2011.

MLA-viite (9. p.)

Kenward, B., et al. On the Evolutionary and Ontogenetic Origins of Tool-oriented Behaviour in New Caledonian Crows (Corvus Moneduloides). 2011.