Hopf, L., & Welter, W. (2010). Rethink, reinvent, reposition: 12 strategies to renew your business and boost your bottom line. Adams Business.
Chicagoスタイル(17版)引用形式Hopf, Leo, , William Welter. Rethink, Reinvent, Reposition: 12 Strategies to Renew Your Business and Boost Your Bottom Line. Avon, Massachusetts: Adams Business, 2010.
MLA(9版)引用形式Hopf, Leo, , William Welter. Rethink, Reinvent, Reposition: 12 Strategies to Renew Your Business and Boost Your Bottom Line. Adams Business, 2010.
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