Παραπομπή σε μορφή APA (7η εκδ.)

Ball, C. (1988). Taking action about long-term unemployment in Europe: The experience of 20 locally-based projects. European Foundation for the Improvement of Living and Working Conditions.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ball, Colin. Taking Action About Long-term Unemployment in Europe: The Experience of 20 Locally-based Projects. Dublin, Ireland: European Foundation for the Improvement of Living and Working Conditions, 1988.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ball, Colin. Taking Action About Long-term Unemployment in Europe: The Experience of 20 Locally-based Projects. European Foundation for the Improvement of Living and Working Conditions, 1988.