Pepperberg, I. M., & Hartsfield, L. A. (2025, August 7). A test of inference by exclusion in grey parrots (Psittacus erithacus): Replication of a parrot-child comparative study using additional avian subjects. Journal of comparative psychology (Washington, D.C. : 1983). https://doi.org/10.1037/com0000427
Chicago-Zitierstil (17. Ausg.)Pepperberg, Irene M., und Leigh Ann Hartsfield. "A Test of Inference by Exclusion in Grey Parrots (Psittacus Erithacus): Replication of a Parrot-child Comparative Study Using Additional Avian Subjects." Journal of Comparative Psychology (Washington, D.C. : 1983) 7 Aug. 2025. https://doi.org/10.1037/com0000427.
MLA-Zitierstil (9. Ausg.)Pepperberg, Irene M., und Leigh Ann Hartsfield. "A Test of Inference by Exclusion in Grey Parrots (Psittacus Erithacus): Replication of a Parrot-child Comparative Study Using Additional Avian Subjects." Journal of Comparative Psychology (Washington, D.C. : 1983), 7 Aug. 2025, https://doi.org/10.1037/com0000427.