Gaya APA

KOTLER, J, P, A, L, A, W. (2010). Buy In: Saving Your Good Idea from Being Shot Down . USA: HARVARD BUSINESS REVIEW PRESS.

Gaya MLA

KOTLER, JOHN, P, AND, LORNE, A., WHITEHEAD. "Buy In: Saving Your Good Idea from Being Shot Down". USA: HARVARD BUSINESS REVIEW PRESS, 2010. Text.