APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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