Wallacem W. Stewart
Macmillan, 1945
Buku Teks
Leonard, William G., author
McGraw-Hill, 1960
Buku Teks
Litvak, Isaiah A., author
McGraw-Hill Ryerson, 1984
Buku Teks
edited by Thomas M. Paikeday
Holt, Rinehart and Winston, 1976
Buku Referensi
Gas, Beverly Witter Du, author
Prentice-Hall, 1999
Buku Teks