Friend, Irwin
John Wiley & Sons, 1954
Buku Teks
Hansen, Alvin Harvey, 1887-1975
W.W. Norton, 1951
Buku Teks
Goldsmith, Raymond W.
Prenceton University Press, 1955
Buku Teks
McLean, Andrew James
Wiley, 2001
Buku Teks
Cohen, Jerome B.
Richard D. Irwin, 1973
Buku Teks