Klaus, Marshall H.
Mosby Comp., 1982
Buku Teks
Pomeroy, John H.
Holt, Rinehart and Winston, 1964
Buku Teks
Magee, John H.
Richard D. Irwin, 1951
Buku Teks
Barton, John H.
Stanford University Press, 1981
Buku Teks
Kennedy, John H., author
Saunders College, 1990
Buku Teks