Balana, C. D. (1998). Air Force resumes spy flights over Spratlys. Philippine Daily Inquirer.
芝加哥风格引文Balana, Cynthia D. "Air Force Resumes Spy Flights over Spratlys." Philippine Daily Inquirer 1998.
MLA引文Balana, Cynthia D. "Air Force Resumes Spy Flights over Spratlys." Philippine Daily Inquirer, 1998.
警告：这些引文格式不一定是100％准确.