Eyestone, Robert
John Wiley & Sons, 1978
Buku Teks
Edited Kurt Finsterbusch and George Mckenna
Dushkin Publishing Group, 1986
Buku Teks
Kurt Finsterbusch
McGraw-Hill, 2012
Buku Teks
University of Queensland Press , 1977
Buku Teks
edited by George W. Albel, Justin M. Joffe and Linda A. Dusenbury
Sage, 1988
Buku Teks