Strong, R. M. (1939). A bibliography of birds; with special reference to anatomy, behavior, biochemistry, embryology, pathology, physiology, genetics, ecology, aviculture, economic ornithology, poultry culture, evolution, and related subjects. s.n.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Strong, Reuben Myron. A Bibliography of Birds; with Special Reference to Anatomy, Behavior, Biochemistry, Embryology, Pathology, Physiology, Genetics, Ecology, Aviculture, Economic Ornithology, Poultry Culture, Evolution, and Related Subjects. [Chicago: s.n, 1939.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Strong, Reuben Myron. A Bibliography of Birds; with Special Reference to Anatomy, Behavior, Biochemistry, Embryology, Pathology, Physiology, Genetics, Ecology, Aviculture, Economic Ornithology, Poultry Culture, Evolution, and Related Subjects. s.n, 1939.