Citazione Stile APA (7a Edizione)
Services Directory: 1990 Directory of services for quality assurance and quality control.
Citazione stile Chigago Style (17a edizione)
Services Directory: 1990 Directory of Services for Quality Assurance and Quality Control.
Citatione MLA (9a ed.)
Services Directory: 1990 Directory of Services for Quality Assurance and Quality Control.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.