Παραπομπή σε μορφή APA (7η εκδ.)

O'Neill, J. J. (1975). The essentials of planning: A personal view. Publications Office, United States Catholic Conference.

Παραπομπή σε μορφή Chicago (17η εκδ.)

O'Neill, John J. The Essentials of Planning: A Personal View. Washington: Publications Office, United States Catholic Conference, 1975.

Παραπομπή σε μορφή MLA (8th εκδ.)

O'Neill, John J. The Essentials of Planning: A Personal View. Publications Office, United States Catholic Conference, 1975.