APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

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