Merenstein, Gerald B.
Prentice-Hall, 1997
Buku Teks
edited by Dor Sachetti
La Leche League International, 1998
Buku Teks
edited by Marc H. Bornstein
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Buku Teks
Jerome, Judson, author
Writer`s Digest Books, 1980
Buku Teks
Skousen, Philip L., author
McGraw-Hill, 2011
Buku Teks