APA-ийн эшлэл(7 дахь хэвлэлт)

Falk, D. V. (1958). Eugene O`Neill and the tragic tensión an interprise study of the plays. Rutgers University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Falk, Doris V. Eugene O`Neill and the Tragic Tensión an Interprise Study of the Plays. New Yersey: Rutgers University Press, 1958.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Falk, Doris V. Eugene O`Neill and the Tragic Tensión an Interprise Study of the Plays. Rutgers University Press, 1958.