Riordan, Rick, author
Mizan Fantasi, 2016
Buku Teks
Gems, Jonathan
A Signet Book, 1996
Buku Teks
Grego, Peter, author
[Springer, ], 2012
eBooks
Ebly, Philippe, author
Gramedia, 1977
Buku Teks
Armstrong, Martin
Harcourt, Brace and company, 1936
Buku Teks