Mazzaferri, E. L., & Skillman, T. (1975). Endocrinology casse studies. Medical examination publishing company.
Lua i Stíl Chicago (17ú heag.)Mazzaferri, Ernest L., agus Thomasg Skillman. Endocrinology Casse Studies. Nueva York: Medical examination publishing company, 1975.
Lua MLA (9ú heag.)Mazzaferri, Ernest L., agus Thomasg Skillman. Endocrinology Casse Studies. Medical examination publishing company, 1975.
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