Good, B. (1986). Telephone selling techniques that really work: How to find new business by phone. Piatkus.
Παραπομπή σε μορφή Chicago (17η εκδ.)Good, Bill. Telephone Selling Techniques That Really Work: How to Find New Business by Phone. London: Piatkus, 1986.
Παραπομπή σε μορφή MLA (9th εκδ.)Good, Bill. Telephone Selling Techniques That Really Work: How to Find New Business by Phone. Piatkus, 1986.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.