APA aipamena

Cairns, P., & Thimbleby, H. Affordance and symmetry in user interfaces.

Chicago Style aipamena

Cairns, Paul., và Harold Thimbleby. Affordance and Symmetry in User Interfaces.

MLA aipamena

Cairns, Paul., và Harold Thimbleby. Affordance and Symmetry in User Interfaces.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.