Samson, D., Ramsay, L., & Parker, R. (1993). Quality-based competitiveness of service sector organisations: Application to Australia [i.e. Australian] consulting engineering firms : a report. Australian Govt. Pub. Service.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Samson, Danny, Liz Ramsay, و Rod Parker. Quality-based Competitiveness of Service Sector Organisations: Application to Australia [i.e. Australian] Consulting Engineering Firms : A Report. Canberra: Australian Govt. Pub. Service, 1993.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Samson, Danny, et al. Quality-based Competitiveness of Service Sector Organisations: Application to Australia [i.e. Australian] Consulting Engineering Firms : A Report. Australian Govt. Pub. Service, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.