Cita APA

Callahan, J. F., & Clark, L. H. (1988). Teaching in the middle and secondary schools: Planning for competence (3rd ed.). Macmillan ; Collier Macmillan.

Chicago Edition Citation

Callahan, Joseph F., i Leonard H. Clark. Teaching in the Middle and Secondary Schools: Planning for Competence. 3rd ed. New York : London: Macmillan ; Collier Macmillan, 1988.

Cita MLA

Callahan, Joseph F., i Leonard H. Clark. Teaching in the Middle and Secondary Schools: Planning for Competence. 3rd ed. Macmillan ; Collier Macmillan, 1988.