E.N.S.I.E. Behavioral research: A conceptual approach. Amsterdam : E.N.S.I.E., 1948.
Chicago Style CitationE.N.S.I.E. Behavioral Research: A Conceptual Approach. Amsterdam : E.N.S.I.E., 1948.
MLA CitationE.N.S.I.E. Behavioral Research: A Conceptual Approach. Amsterdam : E.N.S.I.E., 1948.
Warning: These citations may not always be 100% accurate.