Dorfman, Robert, author
Prentice-Hall, 1967, c.1972
Buku Teks
Bagchi, Bhaskar, author
Emerald, 2016
eBooks
edited by Solomon W. Polachek, Konstantinos Pouliakas, Giovanni Russo, Konstantinos Tatsiramos
Emerald, 2017
eBooks
Allen, Clark Lee, author
Wadsworth, 1967
Buku Teks
Haveman, Robert H., author
John Wiley, 1970
Buku Teks