Smith-Stoner, Marilyn, author
Lippincott, 1999
Buku Teks
Reichenbach, Bruce R., author
McGraw-Hill, 2001
Buku Teks
Rainbolt, George, author
Wadsworth and Cengage Learning, 2012
Buku Teks
OConnor, Karen, author
Addison Wesley Longman, 2001
Buku Teks
Welch, Susan, author
Thomson, 2006
Buku Teks