Futrell, Charles M., author
McGraw-Hill/Irwin, 2002
Buku Teks
Futrell, Charles M., author
McGraw-Hill, 2014
Buku Teks
Lambert, Clark
John Wiley & Sons, 1981
Buku Teks
Nixon, H.K.
McGraw-Hill, 1931
Buku Teks
Shinn, George
Gregg Division, McGraw-Hill, 1982
Buku Teks