Gaya APA

Walstad, W, B., Bingham, R, C. (2002). Study Guide to Accompany McConnell And Brue Economics . New Jersey: McGraw Hill.

Gaya MLA

Walstad, William, B., Bingham, Robert, C. "Study Guide to Accompany McConnell And Brue Economics". New Jersey: McGraw Hill, 2002. Text.