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