Longkutoy, John J., author
Mutiara Sumber Widya, 1986
Buku Teks
Longkutoy, John J., author
Cendana Mas, 1978
Buku Teks
Theresa Sediono, author
Widyaloka, 1986
Buku Teks
D. Suryadi H.S., author
Universitas Gunadarma , 1996
Buku Teks
Longkutoy, John J., author
Mutiara Sumber Widya, 1989
Buku Teks