University Toronto, 1977
Buku Teks
Armstrong, Muriel
Prentice Hall of Canada, 1977
Buku Teks
Marilyn Hryciuk, editor
Bob Douglas, 1986
Buku Referensi
Marilyn Hryciuk, editor
Bob Douglas, 1986
Buku Referensi
Raine, David F.
Hurtig Publishers, 1980
Buku Teks