Gomez-Mejia, Luis R., author
Pearson Education, 2016
Buku Teks
Bohlander, George W., author
Thomson, 2004
Buku Teks
Chruden, Herbert J., author
South-Western, 1984
Buku Referensi
Strauss, George, author
Prentice-Hall, 1980
Buku Teks
Strauss, George, author
Prentice Hall of India, 1985
Buku Teks