Walle, A. H. (2015). Qualitative research in business: A practical overview. Cambridge Scholars Publishing.
芝加哥风格引文Walle, Alf H. Qualitative Research in Business: A Practical Overview. Newcastle upon Tyne, England: Cambridge Scholars Publishing, 2015.
MLA引文Walle, Alf H. Qualitative Research in Business: A Practical Overview. Cambridge Scholars Publishing, 2015.
警告：这些引文格式不一定是100％准确.