Clark, Frank
Goodyear Publishing Company , 1971
Buku Teks
Cleland, David I.
McGraw-Hill, 1972
Buku Teks
Rudwick, Bernard H.
John Wiley & Sons, 1969
Buku Teks
Hare, Van Court
Harcourt, Brace and World, 1967
Buku Teks
Hawryszkiewycz, Igor Titus
Prentice-Hall, 1988
Buku Teks