Glueck, William F., author
McGraw-Hill, 1972
Buku Teks
[edited by] Leonard A. Schlesinger, Robert G. Eccles, John J. Gabarro ; with the assistance of Thomas B. Lifson, James P. Ware
McGraw-Hill, 1983
Buku Teks
Dittrich, John E.
Business Publ. Inc., 1981
Buku Teks
edited by Dieter Uckelmann ... [and others]
Springer-Verlag, 2012
eBooks
David, Fred R., author
Prentice-Hall, 2001
Buku Teks