Painter, William H.
Little,Brown and Company, 1981
Buku Teks
McGraw-Hill, 1960
Buku Teks
Currency Press , 1985
Buku Teks
Williams & Wilkins , 1991
Buku Teks
edited by Giovanni B. Flores, D Arcais and Willem J.M. Levelt
George Allen and Unwin , 1970
Buku Teks