Gaya APA

Keat, P, G., Young, P, K. (2006). Managerial Economics: Economic Tools for Today's Decision Makers (5). New Jersey: Pearson Education.

Gaya MLA

Keat, Paul, G.., Young, Philip, K.. "Managerial Economics: Economic Tools for Today's Decision Makers". 5 New Jersey: Pearson Education, 2006. Text.