Dickmann, Robert A., author
Wiley-Interscience, 1971
Buku Teks
Gaspersz, Vincent, author
Gramedia, 2006
Buku Teks
edited by V. Anantaraman, Chong Li-Choy, Stanley Richardson, Tan Chwee Huat
Singapore University Press, 1984
Buku Teks
Scott, Walter Dill, author
McGraw-Hill, 1959
Buku Teks
De Cenzo, David A.
John Wiley & Sons, 1994
Buku Teks