Kaplan, Robert M., author
Wadsworth and Cengage Learning, 2013
Buku Teks
Farrell, Jane, author
J.B. Lippincott, 1986
Buku Teks
Gary A. Shankman, Robert C. Manske, editor
Elsevier Mosby, 2011
Buku Teks
Cohen, Ronald Jay, author
McGraw-Hill, 2005
Buku Teks
Kaplan, Robert M., author
Wadsworth and Cengage Learning, 2013
Buku Teks