Szafran, R. F. (2012). Answering questions with statistics. Sage Publications, Inc.
シカゴスタイル引用形Szafran, Robert F. Answering Questions with Statistics. Thousand Oaks: Sage Publications, Inc, 2012.
MLA引用形式Szafran, Robert F. Answering Questions with Statistics. Sage Publications, Inc, 2012.
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