Παραπομπή σε μορφή APA (7η εκδ.)

Gaal, A. (2001). ISO 9001:2000 for small business: Implementing process-approach quality management. St. Lucie Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gaal, Arpad. ISO 9001:2000 for Small Business: Implementing Process-approach Quality Management. Boca Raton: St. Lucie Press, 2001.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gaal, Arpad. ISO 9001:2000 for Small Business: Implementing Process-approach Quality Management. St. Lucie Press, 2001.