APA (7th ed.) Zitazioa

Ellis, B. (1966). Basic concepts of measurement. Univetes.

Chicago Style (17th ed.) Zitazioa

Ellis, Brian. Basic Concepts of Measurement. Cambridge: Univetes, 1966.

MLA (9th ed.) Zitazioa

Ellis, Brian. Basic Concepts of Measurement. Univetes, 1966.