Gaya APA

SAMUELSON, P, A., Nordhaus, W, D. (2001). Microeconomics (Cet ke-17). New York: McGrawe-Hill.

Gaya MLA

SAMUELSON, Paul, A.., Nordhaus, William, D.. "Microeconomics". Cet ke-17 New York: McGrawe-Hill, 2001. Text.