Symons, Julian
British Council and National Book League, 1962
Buku Teks
Visser, Ab, author
A. W. Bruna, 2009
Buku Teks
Blyton, Enid, author
Hodder & Stoughton, 1951
Buku Teks
Fitri Annissa, author
2017
UI - Skripsi (Membership)
Kayman, Martin A.
Macmillan, 1992
Buku Teks