Allen, Clark Lee
McGraw-Hill, 1954
Buku Teks
Andrews, John
University of Sydney , 1973
Buku Teks
Graham & Trotman, 1995
Buku Teks
edited by Marion Clawson
John Hopkins Press, 1965
Buku Teks
Stermole, Franklin
Investment Evaluations Corp, 2014
Buku Teks