Παραπομπή σε μορφή APA (7η εκδ.)

Risk, T. M. (1958). Principles and practices of teaching in secondary schools (3rd ed.). American Book.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Risk, Thomas M.. Principles and Practices of Teaching in Secondary Schools. 3rd ed. New York: American Book, 1958.

Παραπομπή σε μορφή MLA (8th εκδ.)

Risk, Thomas M.. Principles and Practices of Teaching in Secondary Schools. 3rd ed. American Book, 1958.