APA aipamena

Esso Standard Oil Company & Symonds, G. H. Linear programming: The solution of refinery problems. s.n.

Chicago Style aipamena

Esso Standard Oil Company and Gifford H. Symonds. Linear Programming: The Solution of Refinery Problems. New York: s.n.

MLA aipamena

Esso Standard Oil Company and Gifford H. Symonds. Linear Programming: The Solution of Refinery Problems. s.n.