Bohang, Lala
Gramedia Pusaka Utama, 2023
Buku Teks
De Mente, Boye
Passport Books, 1992
Buku Referensi
Gita Kumala
Bestmedia, 2016
Buku Teks
edited by Karin K. Breitman, R. Nigel Horspool
Springer-Verlag , 2012
eBooks
edited by Rachel Hewes, Allison Hodges
Rockport, 2012
Buku Referensi