APA引文

Beilby, M. H. (1975). Economics and operational research. ELSEVIER.

Chicago Style (17th ed.) Citation

Beilby, M. H. Economics and Operational Research. ELSEVIER, 1975.

MLA引文

Beilby, M. H. Economics and Operational Research. ELSEVIER, 1975.

警告：這些引文格式不一定是100％准確.