edited by Robert W. Price
Dushkin/McGraw-Hill, 2000
Buku Teks
The British Council, 2001
Buku Referensi
The British Council, 2001
Buku Referensi
Jakarta Universitas Negeri Jakarta 2000,
Buku Teks
Singaraja: UPT Perpustakaan IKIP Negeri Singaraja, 2001,
Majalah, Jurnal, Buletin