APA引文

BEILBY M H. (1975). ECONOMICS AND OPRATIONAL RESEARCH. PITMAN PUBLICATIONS.

Chicago Style (17th ed.) Citation

BEILBY M H. ECONOMICS AND OPRATIONAL RESEARCH. LONDON: PITMAN PUBLICATIONS, 1975.

MLA引文

BEILBY M H. ECONOMICS AND OPRATIONAL RESEARCH. PITMAN PUBLICATIONS, 1975.