International Society for Educational Information
ISEI, 1987
Buku Teks
World Health Organization, 1955
Buku Teks SO
Miyamori Asataro, translated
Maruzen, 1936
Buku Referensi
Henderson, Dan Fenno, author
University of Tokyo Press, 1965
Buku Teks
editors: Richard S. Irwin, Frank B. Cerra, James M. Rippe
Lippincott-Raven, 1999
Buku Teks