Program Pascasarjana Universitas Indonesia, 1994
Majalah, Jurnal, Buletin
Watson, Richard A., author
Harcourt, Brace and World, 1969
Buku Teks
Getis, Arthur, author
Macmillan, 1985
Buku Teks
Last, John M., 1926-, author
Appleton & Lange, 1998
Buku Teks
Treshow, Michael, author
McGraw-Hill, 1976
Buku Teks