Tohutoro APA (7th ed.)

Harvey, J. (1991). Intermediate economics (5th ed.). MacMillan.

Tohutoru Kātū Chicago (17th ed.)

Harvey, Jack. Intermediate Economics. 5th ed. London: MacMillan, 1991.

Tohutoro MLA (9th ed.)

Harvey, Jack. Intermediate Economics. 5th ed. MacMillan, 1991.