Cita APA
Willoughby, S. S. (1967). Contemporary teaching of secondary school mathematics. Wiley.
Citación estilo Chicago
Willoughby, Stephen S. Contemporary Teaching of Secondary School Mathematics. New York: Wiley, 1967.
Cita MLA
Willoughby, Stephen S. Contemporary Teaching of Secondary School Mathematics. Wiley, 1967.
Warning: These citations may not always be 100% accurate.