Tuominen, K., & Malmberg, L. (2012). Starting up your professional service enterprise: Self-assessment work book : 31 probing questions and contrasting pairs of examples : what separates the successful from the average? Benchmarking Ltd..
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিTuominen, Kari, এবং Lasse Malmberg. Starting Up Your Professional Service Enterprise: Self-assessment Work Book : 31 Probing Questions and Contrasting Pairs of Examples : What Separates the Successful from the Average? [Turku, Finland]: Benchmarking Ltd., 2012.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিTuominen, Kari, এবং Lasse Malmberg. Starting Up Your Professional Service Enterprise: Self-assessment Work Book : 31 Probing Questions and Contrasting Pairs of Examples : What Separates the Successful from the Average? Benchmarking Ltd., 2012.