(1984). Spirit of enterprise (the 1984 Rolex Awards). Aumim Pr.
Chicago-čujuhus (17. p.)Spirit of Enterprise (the 1984 Rolex Awards). London: Aumim Pr, 1984.
MLA-čujuhus (9. p.)Spirit of Enterprise (the 1984 Rolex Awards). Aumim Pr, 1984.
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