Johnson, Joyce Young, author
J.B. Lipincott, 2003
Buku Teks
Breger, Michael, author
John Wiley & Sons, 1977
Buku Teks
Edwards, James Don, author
Irwin, 1986
Buku Teks
Sauer, Elisa Swisher, author
Lippincott Williams & Wilkin , 2003
Buku Teks
Walstad, William B., author
McGraw-Hill, 2002
Buku Teks