Παραπομπή APA
Day, R. G. (1993). Quality function development: Linking a company with its customers. Wisconsin: ASQC Quality Press.
Παραπομπή Chicago StyleDay, Ronald G. Quality Function Development: Linking a Company With Its Customers. Wisconsin: ASQC Quality Press, 1993.
Παραπομπή MLADay, Ronald G. Quality Function Development: Linking a Company With Its Customers. Wisconsin: ASQC Quality Press, 1993.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.