Perkins, G. B. (1990). The American tradition in literature (7th ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationPerkins, George B. The American Tradition in Literature. 7th ed. New York: McGraw-Hill, 1990.
ציטוט MLAPerkins, George B. The American Tradition in Literature. 7th ed. McGraw-Hill, 1990.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.