Vollmer, C., & Precourt, G. (2008). Always on: Advertising, marketing and media in an era of consumer control. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVollmer, Christopher, और Geoffrey Precourt. Always on: Advertising, Marketing and Media in an Era of Consumer Control. New York: McGraw-Hill, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVollmer, Christopher, और Geoffrey Precourt. Always on: Advertising, Marketing and Media in an Era of Consumer Control. McGraw-Hill, 2008.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.