Galloway, T. W. (1909). Zoology: A text-book for secondary schools, normal schools and colleges (2d ed., rev.). P. Blakiston.
Lua i Stíl Chicago (17ú heag.)Galloway, Thomas Walton. Zoology: A Text-book for Secondary Schools, Normal Schools and Colleges. 2d ed., rev. Philadelphia: P. Blakiston, 1909.
Lua MLA (8ú heag.)Galloway, Thomas Walton. Zoology: A Text-book for Secondary Schools, Normal Schools and Colleges. 2d ed., rev. P. Blakiston, 1909.
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