APA (7 वां संस्करण) प्रशस्ति पत्र
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..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Tuominen, Kari, और 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.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Tuominen, Kari, और 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.
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