Smith, C.S., author
Pitman, 1969
Buku Teks
Gilmore, Harold L., author
John Wiley & Sons, 1969
Buku Teks
Landers, Richard R., author
Prentice-Hall, 1963
Buku Teks
Caplen, Rowland
Business Books , 1975
Buku Teks
Rahmadina Mulyadi, author
Fakultas Teknik Universitas Indonesia, 2013
UI - Skripsi Membership