Brink, Victor Z., author
The Ronald Press, 1958
Buku Teks
Pickett, K.H. Spencer, author
John Wiley Sons, 2005
Buku Teks
Pickett, K.H. Spencer, author
John Wiley & Sons, 2005
Buku Referensi
Pickett, K.H. Spencer, author
John Wiley & Sons, 2005
Buku Teks
Djohan J. Iskandar, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1983
UI - Skripsi (Membership)