Levitt, Theodore, author
Erlangga, 1987
Buku Teks
Boyd, Harper W., Jr., author
Erlangga, 2000
Buku Teks
McKenna, Regis
Pustaka Binaman Pressindo, 1996
Buku Teks
Swastha, Basu, author
BPFE-Yogyakarta, 1997
Buku Teks
Irawan, author
BPFE-Yogyakarta, 1996
Buku Teks