Graver, B.D.
Walton Street , 1987
Buku Teks
editor, Peter Salim
Modern English Press, 1990
Buku Referensi
Peter Salim, author
Modern English Press, 1993
Buku Referensi
Peter Salim, author
Modern English Press, [date of publication not identified]
Buku Referensi
Peter Salim, author
Modern English Press, 1989
Buku Referensi