Howard, R., & Robert Howard. (1980). Performance in a world of change: Perspective. U. Pr. of America.
Tohutoru Kātū Chicago (17th ed.)Howard, Robert, me Robert Howard. Performance in a World of Change: Perspective. Lanham: U. Pr. of America, 1980.
Tohutoro MLA (9th ed.)Howard, Robert, me Robert Howard. Performance in a World of Change: Perspective. U. Pr. of America, 1980.
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