Παραπομπή σε μορφή APA (7η εκδ.)

(1978). Needs assessment in community planning: An evaluation of ten approaches. National Technical Information Services.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Needs Assessment in Community Planning: An Evaluation of Ten Approaches. Springfield, Va: National Technical Information Services, 1978.

Παραπομπή σε μορφή MLA (9th εκδ.)

Needs Assessment in Community Planning: An Evaluation of Ten Approaches. National Technical Information Services, 1978.