APA
Gopikuttan G., . (1987). Quantitative methods and operations research. Mumbai: Himalaya Publishing House.
Chicago
Gopikuttan G, . 1987. Quantitative methods and operations research. Mumbai: Himalaya Publishing House.
Harvard
Gopikuttan G., . (1987). Quantitative methods and operations research. Mumbai: Himalaya Publishing House.
MLA
Gopikuttan G, . Quantitative methods and operations research. Mumbai: Himalaya Publishing House. 1987.