Lock, Fred
Oxford University Press, 1977
Buku Referensi
C.J. Harris, editor
Quick Canadian Fact , 1981
Buku Referensi
Wallace, W. Stewart, author
Macmillan, 1945
Buku Referensi
Bennett, Arnold
Penguin Books, 1938
Buku Teks
The Reader's adviser and bookman's manual : a guide to best in print in literature, bibgraphies, dictionaries, encyclopedias, bibles, classics, drama, poetry, fiction, science, philosophy, travel, history
R. R. Bowker, 1960
Buku Referensi