Watt. The Paradox of Preservation. University of California Press.
Chicago Style (17th ed.) CitationWatt. The Paradox of Preservation. University of California Press.
ציטוט MLAWatt. The Paradox of Preservation. University of California Press.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.