Tohutoro APA (7th ed.)

Boyes,William, & Melvin, M. (1991). Economics. Houghton Mifflin.

Tohutoru Kātū Chicago (17th ed.)

Boyes,William, me Michael Melvin. Economics. Boston: Houghton Mifflin, 1991.

Tohutoro MLA (9th ed.)

Boyes,William, me Michael Melvin. Economics. Houghton Mifflin, 1991.

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