Dyfyniad APA

Smith, E. A., Bird, D. W., & Bird, R. B. The benefits of costly signaling: Meriam turtle hunters.

Dyfyniad Arddull Chicago

Smith, Eric Alden., Douglas W. Bird, và Rebecca Bliege Bird. The Benefits of Costly Signaling: Meriam Turtle Hunters.

Dyfyniad MLA

Smith, Eric Alden., Douglas W. Bird, và Rebecca Bliege Bird. The Benefits of Costly Signaling: Meriam Turtle Hunters.

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