Gaya APA

Kotter, J, P., Whitehead, L, A. (2009). Buy-in: saving your good idea from being shot dwon (1). United States of America: McGraw-Hill Companies.

Gaya MLA

Kotter, John, P., Whitehead, Lorne, A.. "Buy-in: saving your good idea from being shot dwon". 1 United States of America: McGraw-Hill Companies, 2009. Text.