APA-viite (7. p.)

Gattegno, C. (1985). The learning and teaching of foreign languages. Educational Solutions Inc..

Chicago-viite (17. p.)

Gattegno, Caleb. The Learning and Teaching of Foreign Languages. New York: Educational Solutions Inc., 1985.

MLA-viite (8. p.)

Gattegno, Caleb. The Learning and Teaching of Foreign Languages. Educational Solutions Inc., 1985.