McGraw-Hill, 1953
Buku Teks
Hansen, Alvin H. (Alvin Harvey), 1887-1975, author
McGraw-Hill, 1947
Buku Teks
Frain, H. LaRue
Hougton Mifflin Company, 1937
Buku Teks
Hyman, David N., author
Richard D. Irwin, 1971
Buku Teks
Connecticut JAI Press , 1992
Buku Teks