Webdy R.Uhlmann, Jane L. Schuette, Baverly M. Yashar, Beverly M., editor
John Wiley & Sons, 2009
Buku Teks
Arbuckle, Dugald S., author
Allyn and Bacon, 1961
Buku Teks
Hansen, James C., author
Allyn and Bacon , 1986
Buku Teks
Soundararajan, Radhika, author
Tata McGraw-Hill, 2012
Buku Teks
Corey, Gerald, author
Brooks/Cole Cengage Learning, 2013
Buku Teks