Mazzaferri, E. L., & Skillman, T. (1975). Endocrinology casse studies.
Lua i Stíl Chicago (17ú heag.)Mazzaferri, Ernest L., agus Thomasg Skillman. Endocrinology Casse Studies. 1975.
Lua MLA (9ú heag.)Mazzaferri, Ernest L., agus Thomasg Skillman. Endocrinology Casse Studies. 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.