A.G. Champion...[et al.]
Baltimore, Md., USA: Arnold, 1987
Buku Teks
Sheying Chen, Jason L. Powell, editor
[Springer, ], 2012
eBooks
Munson, Byron E.
College of Administrative Science , 1968
Buku Teks
Shaker Verlag, 2003
Majalah, Jurnal, Buletin
Akademika Pressindo, 1985
Buku Teks