Maureen Wimberly Groer, editor
J.B. Lippincott, 2001
Buku Teks
Hickey, Joanne V., author
Philadelphia, 1996
Buku Teks
Chenitz, W. Carole, author
Saunders , 1991
Buku Teks
Stommel, Manfred, author
Lippincott Williams & Wilkins, 2004
Buku Teks
Erian, Anthony, editor
Springer, 2012
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