Gravetter, Frederick J.
CT Cengage Learning, 2016
Buku Teks
Gravetter, Frederick J.
Cengage, 2018
Buku Teks
Gravetter, Frederick J.
Wadsworth, 2012
Buku Teks
Lindgran, Henry Clay
John Wiley & Sons, 1966
Buku Teks
Kolasa, Blain J.
Wiley Enatem, 1970
Buku Teks