APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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