Short, L. L. (1972). Hybridization, Taxonomy and Avian Evolution. Zenodo.
Cita Chicago (17th ed.)Short, Lester L. Hybridization, Taxonomy and Avian Evolution. Zenodo, 1972.
Cita MLA (9th ed.)Short, Lester L. Hybridization, Taxonomy and Avian Evolution. Zenodo, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.