[publisher not identified], [date of publication not identified]
Naskah
Lewis, C.S.
Harpercollins, 1999
Buku Teks
Ryan, Cornelius
Simon and Schuster, 1966
Buku Teks
Joo, Youngha
PT Gramedia Pustaka Utama, 2022
Buku Teks
Armstrong, Karen
Alfred A. Knopf, 2000
Buku Teks SO