Smith, Geofrey Albert, author
Richard D. Irwin, 1986
Buku Teks
Smith, George Albert, author
Richard D. Irwin, 1960
Buku Teks
Smith, George Albert, author
Richard D. Irwin, 1959
Buku Teks
Block, Stanley B., author
Canfield Press, 1973
Buku Teks
George, Thomas F
Prentice-Hall, 1987
Buku Teks