APA

Enrick N. L., . (19641965). Management operations research. New York: Holt, Rinehart and Winston.

Chicago

Enrick Norbert Lloyd, . 19641965. Management operations research. New York: Holt, Rinehart and Winston.

Harvard

Enrick N. L., . (19641965). Management operations research. New York: Holt, Rinehart and Winston.

MLA

Enrick Norbert Lloyd, . Management operations research. New York: Holt, Rinehart and Winston. 19641965.