Tohutoro APA (7th ed.)
Peterson, W. L. (1974). Principles of Economics: Macro. Irwin.
Tohutoru Kātū Chicago (17th ed.)
Peterson, Willis L. Principles of Economics: Macro. London: Irwin, 1974.
Tohutoro MLA (9th ed.)
Peterson, Willis L. Principles of Economics: Macro. Irwin, 1974.
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