APA-ийн эшлэл(7 дахь хэвлэлт)

Singer, I. (2000). George Santayana, literary philosopher. Yale University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Singer, Irving. George Santayana, Literary Philosopher. New Haven: Yale University Press, 2000.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Singer, Irving. George Santayana, Literary Philosopher. Yale University Press, 2000.