Esto, R. (1988). World scientists and inventors, including Filipino scientists and technologists. R.E. Books Marketing.
Chicago-referens (17:e uppl.)Esto, Rey. World Scientists and Inventors, Including Filipino Scientists and Technologists. Valenzuela, Metro Manila: R.E. Books Marketing, 1988.
MLA-referens (9:e uppl.)Esto, Rey. World Scientists and Inventors, Including Filipino Scientists and Technologists. R.E. Books Marketing, 1988.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.