Παραπομπή APA

Wolfgang, C. H. (1999). Strategies for teaching self-discipline in the middle grades. Boston: Allyn and Bacon.

Παραπομπή Chicago Style

Wolfgang, Charles H. Strategies for Teaching Self-discipline in the Middle Grades. Boston: Allyn and Bacon, 1999.

Παραπομπή MLA

Wolfgang, Charles H. Strategies for Teaching Self-discipline in the Middle Grades. Boston: Allyn and Bacon, 1999.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.