APA aipamena

Fowler, J. E. (1979). Looking backward. Roebuck Society.

Chicago Style aipamena

Fowler, John Ernest. Looking Backward. Canberra: Roebuck Society, 1979.

MLA aipamena

Fowler, John Ernest. Looking Backward. Roebuck Society, 1979.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.