edited by S. Robert Hernandez, Stephen J.O.Connor
Delmar/Cengage Learning, 2010
Buku Teks
Storey, John, 1950-, author
Blackwell, 1992
Buku Teks
Torres-Coronas, Teresa, author
Idea Group Publishing, 2005
Buku Teks
Irwin, 1989
Buku Teks
Flippo, Edwin B., author
McGraw-Hill, 1984
Buku Teks