Bruce D. Mudget [and others]
Alexander Hamilton Institute, 1962
Buku Teks
Mowbray, Albert H.
McGraw-Hill, 1955
Buku Teks
Mehr, Robert I.
Richard D. Irwin, 1969
Buku Teks
Bickelhaupt, David L. (David Lynn)
Richard D. Irwin, 1983
Buku Teks
Boyd, William E.
Prentice-Hall, 1955
Buku Teks