Dyfyniad APA

Fayet, A., Hansen, E., & Biro, D. (2019). Evidence of tool use in a seabird. National Academy of Sciences.

Dyfyniad Arddull Chicago

Fayet, A., E. Hansen, and D. Biro. Evidence of Tool Use in a Seabird. National Academy of Sciences, 2019.

Dyfyniad MLA

Fayet, A., et al. Evidence of Tool Use in a Seabird. National Academy of Sciences, 2019.

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