Haire, Mason
McGraw-Hill, 1956
Buku Teks
Cascio, Wayne F.
Reston Pub. Co, 1982
Buku Teks
edited by Harry W. Karn and B. von Haller Gilmer
McGraw-Hill, 1962
Buku Teks
edited by by Harold J. Leavitt and Louise R. Pondy
University of Chicago Press, c1964
Buku Teks
edited by Harry W. Karn, B. von Haller Gilmer
McGraw-Hill, 1962
Buku Teks