Arana-Rodríguez, E. E. (2006). Competitive quality. Universidad Autónoma de Tamaulipas.
Chicago Style (17. basım) AtıfArana-Rodríguez, Elvia Edith. Competitive Quality. Universidad Autónoma de Tamaulipas, 2006.
MLA (8th ed.) AtıfArana-Rodríguez, Elvia Edith. Competitive Quality. Universidad Autónoma de Tamaulipas, 2006.
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