ARMER MICHAEL. (1973). COMPARATIVE SOCIAL RESEARCH METHODOLOGICAL PROBLEMS& STRATEGIES. JOHN WILEY AND SONS.
Lua i Stíl Chicago (17ú heag.)ARMER MICHAEL. COMPARATIVE SOCIAL RESEARCH METHODOLOGICAL PROBLEMS& STRATEGIES. NEW YORK: JOHN WILEY AND SONS, 1973.
Lua MLA (9ú heag.)ARMER MICHAEL. COMPARATIVE SOCIAL RESEARCH METHODOLOGICAL PROBLEMS& STRATEGIES. JOHN WILEY AND SONS, 1973.
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