APA-čujuhus (7. p.)

Kenward, B., Rutz, C., Weir, A., & Kacelnik, A. (2006). Development of tool use in New Caledonian crows: Inherited action patterns and social influences.

Chicago-čujuhus (17. p.)

Kenward, B., C. Rutz, A. Weir, juo A. Kacelnik. Development of Tool Use in New Caledonian Crows: Inherited Action Patterns and Social Influences. 2006.

MLA-čujuhus (9. p.)

Kenward, B., et al. Development of Tool Use in New Caledonian Crows: Inherited Action Patterns and Social Influences. 2006.

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