M. H. Mitarwan
[publisher not identified], [date of publication not identified]
Buku Teks
Royce, Anya Peterson
Indiana University Press , 1977
Buku Teks
File, Curtis, author
Seoul Selection, 2013
Buku Teks
Hall, Edward Twitchell, author
Anchor Press Doubleday, 1983
Buku Teks
by Peter Senge , Art Kleiner..[et.al.]
Curreney Doubleday , 1999
Buku Teks