Johnson, Rossall James, 1917-
LPEM - FEUI, 1961
Buku Teks
Handler, Milton
University Casebook, 1972
Buku Teks
Wyat, John W.
McGraw-Hill, 1963
Buku Teks
Velasquez, Manuel G
Prentice-Hall, 2002
Buku Teks
Lusk, Harold F., 1893-
Richard D. Irwin, 1969
Buku Teks