Soundararajan, Radhika, author
Tata McGraw-Hill, 2012
Buku Teks
Nelson-Jones, Richard, author
Sage Publications, 2004
Buku Teks
Hackney, Harold, author
Allyn and Bacon, 2000
Buku Teks
Sommers-Flanagan, John, author
John Wiley & Sons, 2012
Buku Teks
Shulman, Lawrence
Brooks/Cole Cengage Learning, 2011
Buku Teks