Thompson, Simon, author
Addison-Wesley, 1999
Buku Teks
Krevitsky, Nik, author
Reinhold Book, 1964
Buku Teks
Berkley, George E., author
McGraw-Hill, 2009
Buku Teks
Felsen, Henry Gregor, 1916-
Dodd, Mead, 1962
Buku Teks
Bolan, Kimberly, author
[American Management Association, ], 2009
eBooks