Meehl, Paul E.
WW. Norton, 1977
Buku Teks
Fadem, Barbara, author
Harwal publishing, 1994
Buku Teks
Barry, Patricia D.
J. B. Lippincott Company, 1989
Buku Teks
edited by Patricia C. Pothier ; foreword by Margretta M. Styles
Little, Brown and Company, 1980
Buku Teks
Keliat, Budi Anna, author
EGC, 2016
Buku Teks