APA-referens

Willoughby, S. S. (1967). Contemporary teaching of secondary school mathematics. New York: Wiley.

Chicago-stil citat

Willoughby, Stephen S. Contemporary Teaching of Secondary School Mathematics. New York: Wiley, 1967.

MLA-referens

Willoughby, Stephen S. Contemporary Teaching of Secondary School Mathematics. New York: Wiley, 1967.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.