APA (7th ed.) Zitazioa

Lu, R. D. A. (2012). Single-stage combined evaluation of fixed and variable cost model for the multi-tier transportation problem.

Chicago Style (17th ed.) Zitazioa

Lu, Raymond Daniel A. Single-stage Combined Evaluation of Fixed and Variable Cost Model for the Multi-tier Transportation Problem. 2012.

MLA (9th ed.) Zitazioa

Lu, Raymond Daniel A. Single-stage Combined Evaluation of Fixed and Variable Cost Model for the Multi-tier Transportation Problem. 2012.