Tu, H., Osmanski, M. S., & Dooling, R. J. (2011). Learned vocalizations in budgerigars (Melopsittacus undulatus): The relationship between contact calls and warble song. Acoustical Society of America.
Chicago-стиль цитированияTu, Hsiao-Wei, Michael S. Osmanski, and Robert J. Dooling. Learned Vocalizations in Budgerigars (Melopsittacus Undulatus): The Relationship between Contact Calls and Warble Song. Acoustical Society of America, 2011.
MLA-цитированиеTu, Hsiao-Wei, Michael S. Osmanski, and Robert J. Dooling. Learned Vocalizations in Budgerigars (Melopsittacus Undulatus): The Relationship between Contact Calls and Warble Song. Acoustical Society of America, 2011.
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