Dekker, D. (1998). Pack size and colour morphs of one Wolf, Cants lupus, pack in Jasper National Park, Alberta, 1979-1998. Zenodo.
Cita Chicago (17th ed.)Dekker, Dick. Pack Size and Colour Morphs of One Wolf, Cants Lupus, Pack in Jasper National Park, Alberta, 1979-1998. Zenodo, 1998.
Cita MLA (9th ed.)Dekker, Dick. Pack Size and Colour Morphs of One Wolf, Cants Lupus, Pack in Jasper National Park, Alberta, 1979-1998. Zenodo, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.