Schaaf, William L.
Wiley-Academy, 1965
Buku Teks
Kuiper, L.
Noordhoff-Kolff, 1959
Buku Klasik
Schaaf, William L.
Collier Books, 1966
Buku Teks
Martin, E. Wainright
Illinois: Richard D Irwin, 1969
Buku Teks
Dugopolski, Mark, author
McGraw-Hill , 2012
Buku Teks