Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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