Marsden,John
PAN, 1994
Buku Teks SO
Franklin, Miles
Angus & Robertson Publishers, 1980
Koleksi Publik
Franklin, Miles
Angus & Robertson Publishers, 1980
Buku Teks SO
Colfer, Eoin
Gramedia Pustaka Utama, 2018
Buku Teks SO
Fisher, Janet
Scolar Press, 1994
Buku Referensi