Abrams, Anne Collins, author
J.B. Lippincott , 1991
Buku Teks
Micks, R.H.
J & A Churchill, 1957
Buku Teks
Hicks, Carolyn M., author
Elsevier , 2009
Buku Teks
Roach, Sally S., author
Lippincott , 2008
Buku Teks
Kabat, Hugh F., author
Lea & Febiger, 1969
Buku Referensi