APA (7th ed.) Citation

Sangalang, L. P. J. (1982). A product mix optimization model. Philippine Engineering Journal.

Chicago Style (17th ed.) Citation

Sangalang, Leonardo P. Jr. "A Product Mix Optimization Model." Philippine Engineering Journal 1982.

MLA (9th ed.) Citation

Sangalang, Leonardo P. Jr. "A Product Mix Optimization Model." Philippine Engineering Journal, 1982.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.