Erhard, Ludwig, author
George Allen and Unwin, 1954
Buku Teks
Aaker, David A., author
John Wiley & Sons, 1984
Buku Teks
Adelman, M.A., author
Johns Hopkins University Press, 1972
Buku Teks
I Putu Gede Ary Suta, 1958-, author
Yayasan SAD SATRIA BHAKTI, 2000
Buku Teks
John M. Dalton
New York Institute of Finance, 2001
Buku Teks