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Sever، David M.؛ Stanley E. Trauth (أبريل 1990). "Cloacal Anatomy of Female Salamanders of the Plethodontid Subfamily Desmognathinae (Amphibia: Urodela)". Transactions of the American Microscopical Society. ج. 109 ع. 2: 193–204. DOI:10.2307/3226814. JSTOR:3226814.
jstor.org
Sever، David M.؛ Stanley E. Trauth (أبريل 1990). "Cloacal Anatomy of Female Salamanders of the Plethodontid Subfamily Desmognathinae (Amphibia: Urodela)". Transactions of the American Microscopical Society. ج. 109 ع. 2: 193–204. DOI:10.2307/3226814. JSTOR:3226814.
