Beins, B. C. (2006). Research Methods: A tool for life (3rd ed.). Pearson Educación.
Chicago Style (17th ed.) CitationBeins, Bernard C. Research Methods: A Tool for Life. 3rd ed. Boston: Pearson Educación, 2006.
MLA (9th ed.) CitationBeins, Bernard C. Research Methods: A Tool for Life. 3rd ed. Pearson Educación, 2006.
Warning: These citations may not always be 100% accurate.