Παραπομπή σε μορφή APA (7η εκδ.)
Friedman, N. (1998). Customer Services Nightmares: 100 Tales of the Worst Experiences Possible, and How They Could Have Been Fixed.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Friedman, Nancy. Customer Services Nightmares: 100 Tales of the Worst Experiences Possible, and How They Could Have Been Fixed. 1998.
Παραπομπή σε μορφή MLA (9th εκδ.)
Friedman, Nancy. Customer Services Nightmares: 100 Tales of the Worst Experiences Possible, and How They Could Have Been Fixed. 1998.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.