Gerstenberg, Charles W., author
Prentice-Hall, 1956
Buku Teks
Dauten, Carl Anton, 1913-, author
Prentice-Hall, 1956
Buku Teks
Ninendya Meistarusti, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2016
UI - Tugas Akhir
Edwards, Ronald S., author
Macmillan, 1961
Buku Teks
Madura, Jeff, author
South-Western College, 2001
Buku Teks