Hatch, Mary Jo
Oxford University Press, 1997
Buku Teks
Miles, Robert H.
Goodyear Publishing Company, 1980
Buku Teks
Daft, Richard L., 1964-
Cengage Learning, 2016
Buku Teks
Pugh, D. S.
Buku Teks
edited by Mason Haire
John Wiley & Sons, 1959
Buku Teks