Esto, R. (1988). World scientists and inventors, including Filipino scientists and technologists. R.E. Books Marketing.
芝加哥风格引文Esto, Rey. World Scientists and Inventors, Including Filipino Scientists and Technologists. Valenzuela, Metro Manila: R.E. Books Marketing, 1988.
MLA引文Esto, Rey. World Scientists and Inventors, Including Filipino Scientists and Technologists. R.E. Books Marketing, 1988.
警告：这些引文格式不一定是100％准确.