HEIDER, L. J. (1967). Theoretical analysis. W.B. Saunders.
Tohutoru Kātū Chicago (17th ed.)HEIDER, Lester J. Theoretical Analysis. London: W.B. Saunders, 1967.
Tohutoro MLA (9th ed.)HEIDER, Lester J. Theoretical Analysis. W.B. Saunders, 1967.
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