Strauss, George, author
Prentice Hall of India, 1985
Buku Teks
Raymond A. Noe
McGraw-Hillm, 2006
Buku Teks
Straus, George, author
Prentice-Hall, 1967
Buku Teks
Fombrun, Charles, author
John Wiley & Sons, 1984
Buku Teks
edited by Randall S. Schuler and Susan E. Jackson
Blackwell, 1999
Buku Teks