Bell, L. Longfellow. Penguin books.
Chicago Style (17. basım) AtıfBell, Lawrence. Longfellow. New York: Penguin books.
MLA (9th ed.) AtıfBell, Lawrence. Longfellow. Penguin books.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..
Bell, L. Longfellow. Penguin books.
Chicago Style (17. basım) AtıfBell, Lawrence. Longfellow. New York: Penguin books.
MLA (9th ed.) AtıfBell, Lawrence. Longfellow. Penguin books.