Ashton, Robert, author
Gramedia Pustaka Utama, 2006
Buku Teks
Ashton, Robert, author
Gramedia Pustaka Utama, 2006
Buku Teks
Charlie, In, author
Gramedia, 2004
Buku Teks
Samuel D. Deep
Pustaka Binaman Pressindo , 1995
Buku Teks
Drake, Elizabeth, author
Ina Publikatama , 2009
Buku Teks