Slaughter, Frank G
Pocket Books , 1968
Buku Teks
Stevenson, R. L. (Robert Louis), author
Scribner, 1994
Buku Teks
Fowler, George A., author
Amerasian, 1974
Buku Teks
Burnett, Frances Hodgson, author
Gramedia Pustaka Utama, 2010
Buku Teks
Design Media Publishing Limited, [date of publication not identified]
Buku Referensi