JOHNSTON R J. (1986). A WORLD IN CRISIS ? GEOGRAPHICAL PERSPECTIVES. BASIL BLACKWELL LIMITED.
Chicago Style aipamenaJOHNSTON R J. A WORLD IN CRISIS ? GEOGRAPHICAL PERSPECTIVES. OXFORD U K: BASIL BLACKWELL LIMITED, 1986.
MLA aipamenaJOHNSTON R J. A WORLD IN CRISIS ? GEOGRAPHICAL PERSPECTIVES. BASIL BLACKWELL LIMITED, 1986.
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