Santoso Soeroso, author
1999
Artikel Jurnal
Fletcher, Robert H., author
Gajah Mada University Press , 1991
Buku Teks
Fletcher, Robert H., author
Gadjah Mada University Press, 1992
Buku Teks
Friedman, Gary D., author
McGraw-Hill, 1980
Buku Teks
Azrul Azwar, author
Bina Rupa Aksara, 1988
Buku Teks