Muhammad Tesar Pamungkas
McGraw-Hill, 2002
Buku Teks
Farbman, Evelyn
Houghton Miffiln, 1985
Buku Referensi
Clouse, Barbara Fine
McGraw-Hill, 2005
Buku Teks
Shattock, Joanne
Oxford University Press, 1993
Buku Referensi
Farbman, Evelyn
Houghton Miffiln, 1985
Buku Teks