Παραπομπή σε μορφή APA (7η εκδ.)

Candy, P. C. (1991). Self-direction for lifelong learning: A comprehensive guide to theory and practice. Jossey-Bass.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Candy, Philip C. Self-direction for Lifelong Learning: A Comprehensive Guide to Theory and Practice. San Francisco: Jossey-Bass, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Candy, Philip C. Self-direction for Lifelong Learning: A Comprehensive Guide to Theory and Practice. Jossey-Bass, 1991.