Nason, Alvin, author
John Wiley & Sons, 1965
Buku Teks
Mader, Sylvia S., author
Wm. C. Brown Publisher, 1993
Buku Teks
Marslan, Douglas, author
Holt, Rinehart and Winston, 1964
Buku Teks
Nelson, Gideon E., author
John Wiley & Sons, 1967
Buku Teks
Fried, George H., author
McGraw-Hill, 1990
Buku Teks