Bethel, Lawrence L., author
McGraw-Hill Kogakusha, 1971
Buku Teks
Peterson, Elmore, author
Richard D. Irwin, 1952
Buku Teks
Roscoe, Edwin Scott, author
Richard D. Irwin, 1955
Buku Teks
Roscoe, Edwin Scott, author
Richard D. Irwin, 1959
Buku Teks
Seckler-Hudson, Catheryn, author
Washington, D.C., The American University Press
Buku Teks