Ott, J. Steven, author
Wadsworth and Cengage Learning, 2011
Buku Teks
edited by Jay M. Shafritz, J. Steven Ott
Wadsworth, 2005
Buku Teks
editedby Jay M. Shafritz, J. Steven Ott
Brooks/Cole, 1991
Buku Teks
Osborn, Richard N., author
John Wiley & Sons, 1980
Buku Teks
French, Wendell L., author
Prentice-Hall International, 1990
Buku Teks