Soong Hoom Kil and Chung-in Moon
State University of New York Press, 2001
Buku Teks
Choi Joo Sik, Nahm in Hee, Kim Mi Hyun, Kim Young Hoon, and Lee Ki Sun
Jimoondang, 2011
Buku Teks
Persell, Caroline Hodges
Harper & Row, 1984
Buku Teks
Orenstein, Alan
The Falmer Press, 1978
Buku Teks
Strenski, Ivan
Wiley Blackwell, 2015
Buku Teks