The Harriet Lane Service at The Charlotte R. Bloomberg Children's Center of The Johns Hopkins Hospital; editors, Helen Hughes, Lauren Kahl
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Little, Brown & Co., 1979
Buku Teks
edited by Robert C. Tasker, Robert J. McClure, Carlo L. Acerini
Oxford University Press, 2009
Buku Referensi
Engel, Joyce K.
Mosby Elsevier, 2006
Buku Teks
edited by Kenneth R. Niswander
Litle, Brown, 1983
Buku Teks