(Inggris) Stephen Nussey; Saffron Whitehead (2001). Endocrinology: An Integrated Approach. St. George's Hospital Medical School, London, UK. BIOS Scientific Publishers Ltd. hlm. Chapter 4 The adrenal gland. ISBN1-85996-252-1. Diarsipkan dari versi asli tanggal 2016-02-15. Diakses tanggal 2011-05-02.
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(Inggris) Stephen Nussey; Saffron Whitehead (2001). Endocrinology: An Integrated Approach. St. George's Hospital Medical School, London, UK. BIOS Scientific Publishers Ltd. hlm. Chapter 4 The adrenal gland. ISBN1-85996-252-1. Diarsipkan dari versi asli tanggal 2016-02-15. Diakses tanggal 2011-05-02.