APA (7th ed.) Zitazioa

Adam, G. Defining Edges: A New Look at Picture Frames.

Chicago Style (17th ed.) Zitazioa

Adam, Gopnik. Defining Edges: A New Look at Picture Frames.

MLA (9th ed.) Zitazioa

Adam, Gopnik. Defining Edges: A New Look at Picture Frames.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.