Szabo, Imre, author
A.W. Sijthoff, 1974
Buku Teks
Unesco, 1970
Buku Teks
Patrick M. Malone, Karen L. Kier, John E. Stanovic
McGraw-Hill, Medical Publishing Division, 2006
Buku Teks
Malone, Patrick M., author
McGraw-Hill, 2001
Buku Teks
Yerbury, Hilary, author
University of Technology, 1992
Buku Referensi