Brown, L. D. (1993). Assessing the quality of service: Module 6 user's guide. Aga Khan Foundation.
Cita Chicago (17th ed.)Brown, Lori DiPrete. Assessing the Quality of Service: Module 6 User's Guide. New York; Switzerland: Aga Khan Foundation, 1993.
Cita MLA (8th ed.)Brown, Lori DiPrete. Assessing the Quality of Service: Module 6 User's Guide. Aga Khan Foundation, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.