Penggayaan APA

SOULE, George. (1961). Economics : . New York: Holt, Rinehart and WInston.

Chicago Style

SOULE, George. Economics :. New York: Holt, Rinehart and WInston, 1961. Buku.

MLA Style

SOULE, George. Economics :. New York: Holt, Rinehart and WInston, 1961. Buku.

Turabian Style

SOULE, George. Economics :. New York: Holt, Rinehart and WInston, 1961. Buku.