Gaya APA

Albrecht, William P.. (1983). Economics. (3 ed.). New Jersey: Prentice Hall.

Gaya Chicago

Albrecht, William P.. Economics.. 3 ed. New Jersey: Prentice Hall, 1983. Text.

Gaya MLA

Albrecht, William P.. Economics.. 3 ed. New Jersey: Prentice Hall, 1983. Text.

Gaya Turabian

Albrecht, William P.. Economics.. 3 ed. New Jersey: Prentice Hall, 1983. Print.