APA Citation

Harpen, W. M., & Lim, H. C. (1982). Operational research (Second edition.). London: Pitman Publishing Ltd.

Chicago Style Citation

Harpen, W. M., and H. C. Lim. Operational Research. Second edition. London: Pitman Publishing Ltd, 1982.

MLA Citation

Harpen, W. M., and H. C. Lim. Operational Research. Second edition. London: Pitman Publishing Ltd, 1982.

Warning: These citations may not always be 100% accurate.