Ijäs, L., Tuominen, K., & Malmberg, L. (2008). Quality in project management: ISO 10006 : self-assessment work book : 53 probing questions and contrasting pairs of examples : what separates the successful from the average? Oy Benchmarking Ltd.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ijäs, Lasse, Kari Tuominen, و Lasse Malmberg. Quality in Project Management: ISO 10006 : Self-assessment Work Book : 53 Probing Questions and Contrasting Pairs of Examples : What Separates the Successful from the Average? Turku, Finland: Oy Benchmarking Ltd, 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ijäs, Lasse, et al. Quality in Project Management: ISO 10006 : Self-assessment Work Book : 53 Probing Questions and Contrasting Pairs of Examples : What Separates the Successful from the Average? Oy Benchmarking Ltd, 2008.