Dyfyniad APA

Alexander Osterwalder. (2017). The: A supplement to business model generation and value proposition design. Hoboken: Wiley.

Dyfyniad Arddull Chicago

Alexander Osterwalder. The: A Supplement to Business Model Generation and Value Proposition Design. Hoboken: Wiley, 2017.

Dyfyniad MLA

Alexander Osterwalder. The: A Supplement to Business Model Generation and Value Proposition Design. Hoboken: Wiley, 2017.

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