Columbia University Press , 1960
Buku Teks
Schaller, Lyle E., author
Nashville-Abingdon Press , 1966
Buku Teks
edited by Fred M. Cox [and others]
FE Peacock, 1979
Buku Teks
Gena Bijaksana, author
2013
UI - Tesis (Membership)
Twelvetrees, Alan
Macmillan, 1982
Buku Teks