Παραπομπή APA

Rigby, P. H. (1965). Conceptual foundations of business research. John Wiley and sons.

Παραπομπή Chicago Style

Rigby, Paul H. Conceptual Foundations of Business Research. London: John Wiley and sons, 1965.

Παραπομπή MLA

Rigby, Paul H. Conceptual Foundations of Business Research. John Wiley and sons, 1965.