Pearce, D. G. (1987). Tourism today: A geographical analysis. Longman Scientific & Technical ; Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPearce, Douglas G. Tourism Today: A Geographical Analysis. London : New York: Longman Scientific & Technical ; Wiley, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPearce, Douglas G. Tourism Today: A Geographical Analysis. Longman Scientific & Technical ; Wiley, 1987.