Sontag, P. J. (1951). Meditations for every day. The Bruce Publishing Company.
Chicago Style aipamenaSontag, Peter J. Meditations for Every Day. Milwaukee: The Bruce Publishing Company, 1951.
MLA aipamenaSontag, Peter J. Meditations for Every Day. The Bruce Publishing Company, 1951.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.