Fierro, M. C. A. d. (2011). Editorial. Universidad Surcolombiana.
Chicago Style (17th ed.) CitationFierro, Martha Cecilia Abella de. Editorial. Universidad Surcolombiana, 2011.
MLA (9th ed.) CitationFierro, Martha Cecilia Abella de. Editorial. Universidad Surcolombiana, 2011.
Warning: These citations may not always be 100% accurate.