edited by Bruce W. Burkhart and Wesley S. Thompson
Burgess Publishing, 1972
Buku Teks
Yarbrough, James D., author
Burgess Publishing, 1970
Buku Teks
Deason, Temp R., author
Burgess, 1968
Buku Teks
Basmajian, Ronald K., author
Burgess, 1972
Buku Teks
Blumenfeld, Martin
Burgess, 1977
Buku Teks