Rajawali, 1988
Buku Teks
Bert F. Hoselitz, editor; Achmad Fedyani Saifuddin, translator
Rajawali, 1988
Buku Teks
Lembaga Penelitian Unpad,
Majalah, Jurnal, Buletin
Rusadi Kantaprawira, author
Bunda Karya, 1987
Buku Teks
Natanson, Maurice, author
Random House, 1963
Buku Teks