APA aipamena

Ford, G. (1978). UNISIST guidelines for the conduct of user studies. UNESCO.

Chicago Style aipamena

Ford, Geoffrey. UNISIST Guidelines for the Conduct of User Studies. Paris: UNESCO, 1978.

MLA aipamena

Ford, Geoffrey. UNISIST Guidelines for the Conduct of User Studies. UNESCO, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.