APA (7 वां संस्करण) प्रशस्ति पत्र
Tuominen, K., & Toivonen, R. (2012). Starting up your skilled trade business enterprise: Self-assessment work book : 31 probing questions and contrasting pairs of examples : what separates the successful from the average? Sai Global.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Tuominen, Kari, और Raimo Toivonen. Starting Up Your Skilled Trade Business Enterprise: Self-assessment Work Book : 31 Probing Questions and Contrasting Pairs of Examples : What Separates the Successful from the Average? Australia: Sai Global, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Tuominen, Kari, और Raimo Toivonen. Starting Up Your Skilled Trade Business Enterprise: Self-assessment Work Book : 31 Probing Questions and Contrasting Pairs of Examples : What Separates the Successful from the Average? Sai Global, 2012.
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