Williamson, Oliver E., author
Prentice-Hall, 1970
Buku Teks
Clarkson, Kenneth W.
McGraw-Hill , 1982
Buku Teks
Brady, Robert A, author
University of California Press , 1963
Buku Teks
Prima Naomi, author
2016
UI - Disertasi (Membership)
Woodward, Joan, author
Oxford University Press, 1965
Buku Teks