APA (7th ed.) Citation

Briggs, T. H. (1948). Improving instruction: Supervision by principals of secondary schools (9. print.). Macmillan.

Chicago Style (17th ed.) Citation

Briggs, Thomas Henry. Improving Instruction: Supervision by Principals of Secondary Schools. 9. print. New York [u.a.]: Macmillan, 1948.

MLA (9th ed.) Citation

Briggs, Thomas Henry. Improving Instruction: Supervision by Principals of Secondary Schools. 9. print. Macmillan, 1948.