edited, Daniel D. Mcgarry, Clarence L. Hohl
Houghton Miffiln, 1963
Buku Teks
Sherry, John C.
Collier Books, 1963
Buku Teks
Lindemann, Albert S.
John Wiley & Sons, 2013
Buku Teks
Wallbank, T. Walter
Scott, Foresman, 1965
Buku Teks
Palmer, Robert Roswell, 1909-2002
McGraw-Hill, 1992
Buku Teks