Wolters Kluwer, 2014
Buku Teks
edited by George A. Hawkins
McGraw-Hill, 1968
Buku Teks
cordinating editor, Geoge A. Hawkins
McGraw-Hill, 1968
Buku Teks
Nettina, Sandra M., author
Lippincott , 1997
Buku Teks SO
Mandl, Matthew, author
Prentice-Hall, 1967
Buku Teks