Gaya APA

Peterson, Willis L.. (1986). Principles of economics micro, 6th ed. (6th ed.). New York: Irwin.

Gaya Chicago

Peterson, Willis L.. Principles of economics micro, 6th ed.. 6th ed. New York: Irwin, 1986. Text.

Gaya MLA

Peterson, Willis L.. Principles of economics micro, 6th ed.. 6th ed. New York: Irwin, 1986. Text.

Gaya Turabian

Peterson, Willis L.. Principles of economics micro, 6th ed.. 6th ed. New York: Irwin, 1986. Print.