Drewe, Robert
Collins, 1979
Buku Teks
Drewe, Robert, author
Council of Adult Education, 1997
Buku Teks
Bergham, Wilfried
Hamburg Rowohlt 1963
Buku Teks
Kipling, Rudyard, 1865-1936, author
Macmillan, 1950
Buku Teks
Mokodompit, Esther J., author
Universitas Indonesia, 1995
UI - Skripsi (Membership)