Crew, A., Cook, W. G. H., & Ashmore, L. (1960). Economía (2a. ed.). Labor.
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Tohutoru Kātū Chicago (17th ed.)
Crew, Albert, W. G. H. Cook, me Laurence Ashmore. Economía. 2a. ed. Barcelona: Labor, 1960.
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Tohutoro MLA (9th ed.)
Crew, Albert, et al. Economía. 2a. ed. Labor, 1960.
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Kua rahua te tārua ki te papatopenga
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