Rigby, P. H. (1965). Conceptual Foundations of Business Research. New York: John Wiley and Sons.
Trích dẫn kiểu ChicagoRigby, Paul H. Conceptual Foundations of Business Research. New York: John Wiley and Sons, 1965.
MLA citiranjeRigby, Paul H. Conceptual Foundations of Business Research. New York: John Wiley and Sons, 1965.
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