Chang, David W., author
Thomson/Delmar Learning, 2006
Buku Teks
Puguh Siswantoro Sudewo, author
2017
UI - Skripsi (Membership)
Osborn, Alex
Charles Scribner`s Sons, 1952
Buku Teks
Dean, John P.
The University of Chicago Press, 1955
Buku Teks
Varsegi, Alex
Van Nostrand Reinhold, 1988
Buku Teks