APA aipamena

Snow, C. (1961). Time of hope. macmillan.

Chicago Style aipamena

Snow, C.P. Time of Hope. London: macmillan, 1961.

MLA aipamena

Snow, C.P. Time of Hope. macmillan, 1961.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.