GROBSTEIN, C. The Strategy of life (2nded.). G873s 2nded.
Citace podle Chicago (17th ed.)GROBSTEIN, Clifford. The Strategy of Life. 2nded. 577: G873s 2nded.
Citace podle MLA (9th ed.)GROBSTEIN, Clifford. The Strategy of Life. 2nded. G873s 2nded.
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