Gaya APA
Radovick, F, E, W, S. (2009).
Clinical Management of Thyroid Disease .
Philadelphia:
Saunders Elsevier.
Gaya MLA
Radovick, Fredric, E., Wondisford,, Sally.
"Clinical Management of Thyroid Disease".
Philadelphia:
Saunders Elsevier,
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Buku Perpustakaan.