Παραπομπή APA

Sonnennfeldt, M. W. (2017). Think Bigger: And 39 Other Winning Strategies from Successful Entrepreneurs. Honoken, New Jersey: Wiley & Son.

Παραπομπή Chicago Style

Sonnennfeldt, Michael W. Think Bigger: And 39 Other Winning Strategies From Successful Entrepreneurs. Honoken, New Jersey: Wiley & Son, 2017.

Παραπομπή MLA

Sonnennfeldt, Michael W. Think Bigger: And 39 Other Winning Strategies From Successful Entrepreneurs. Honoken, New Jersey: Wiley & Son, 2017.

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