Ginting, Christopher Alexander Shuranta, author
2017
UI - Skripsi (Membership)
Enelow, Wendy S., author
JIST Works, 2004
Buku Teks
Berge, H.C. ten, author
Gelderse Culturele Raad, 1992
Buku Teks
Harvest Book, 1968
Buku Teks
edited by Sonia Orwell; Ian Angus
Harvest Book, 1968
Buku Teks