BANK JOHN. (1994). OUTDOOR DEVELOPMENT FOR MANAGERS (2ND.). GOWER.
Chicago-čujuhus (17. p.)BANK JOHN. OUTDOOR DEVELOPMENT FOR MANAGERS. 2ND. ALDERSHOT: GOWER, 1994.
MLA-čujuhus (9. p.)BANK JOHN. OUTDOOR DEVELOPMENT FOR MANAGERS. 2ND. GOWER, 1994.
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