APA aipamena

Faulkner, H. (1972). Telephones for Elderly Invalids.

Chicago Style aipamena

Faulkner, Hugh. Telephones for Elderly Invalids. 1972.

MLA aipamena

Faulkner, Hugh. Telephones for Elderly Invalids. 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.