APA

Rigby P. H., . (1965). Conceptual foundations of business research. New York: Wiley.

Chicago

Rigby Paul H, . 1965. Conceptual foundations of business research. New York: Wiley.

Harvard

Rigby P. H., . (1965). Conceptual foundations of business research. New York: Wiley.

MLA

Rigby Paul H, . Conceptual foundations of business research. New York: Wiley. 1965.