Haimann, Theo, author
South-Western Pub., 1982
Buku Teks
Bittel, Lester Robert, author
McGraw-Hill, 1985
Buku Teks
Bittel, Lester Robert, author
Tata McGraw-Hill, 1974
Buku Teks
Lockwood, Derek, author
Gramedia Pustaka Utama, 1994
Buku Teks
Harvard Business School
Harvard Business Review Press, 2011
Buku Teks