APA Edition Citation

Briggs, T. H. (1948). Improving instruction: Supervision by Principals of secondary schools.

Chicago Edition Citation

Briggs, Thomas H. Improving Instruction: Supervision by Principals of Secondary Schools. 1948.

MLA Edition Citation

Briggs, Thomas H. Improving Instruction: Supervision by Principals of Secondary Schools. 1948.

Warning: These citations may not always be 100% accurate.