Tompkins, S. Digital advertising in PH runs into roadblocks. Philippine Daily Inquirer.
芝加哥风格引文Tompkins, Stephen. "Digital Advertising in PH Runs into Roadblocks." Philippine Daily Inquirer .
MLA引文Tompkins, Stephen. "Digital Advertising in PH Runs into Roadblocks." Philippine Daily Inquirer, .
警告：这些引文格式不一定是100％准确.