Smith, Mickey A., author
The Williams and Wilkins, 1976
Buku Teks
Lachman, Leon, author
Lea & Febiger, 1976
Buku Teks
Deno, Richard A., author
J.B. Lippincott, 1959
Buku Teks
Feinberg, Debra B., author
McGraw-Hill, 2008
Buku Teks
Kabat, Hugh F., author
Lea & Febiger, 1969
Buku Referensi