Lowry, Bates
George Braziller, 1962
Buku Teks
Davidson, Peter
Academic Group, 1997
Buku Teks
Salvadori, Mario, author
Prentice-Hall, 1963
Buku Teks
Richards, J.M.
Newton Abbot: Davis and Charles, 1974
Buku Teks
Rasmussen, Steen Eiler, author
Technology Press of Massachusetts Institute of Technology, 1975
Buku Teks