McGraw-Hill, 2014
Buku Teks
Spendlove, F. St. G.
Ryerson Press, 1958
Buku Teks
Soward, F. H.
Manhattan Publishing Copany, 1956
Buku Teks
Manzer, Ronald A., author
McGraw-Hill Ryerson, 1974
Buku Teks
McInnis, Edgar
Holt, Rinehart and Winston of Canada, 1982
Buku Teks