APA (7th ed.) Zitazioa

Saffold, R. (1962). A tutor text the slide rule. Doubleday.

Chicago Style (17th ed.) Zitazioa

Saffold, Robert. A Tutor Text the Slide Rule. Garden city, New York: Doubleday, 1962.

MLA (9th ed.) Zitazioa

Saffold, Robert. A Tutor Text the Slide Rule. Doubleday, 1962.