María Cristina Giraldo de Londoño & Ronald Alan Perry. (2008). Treating ESL Writing Errors: Balancing Form and Content. Asociación Colombiana de Profesores de Ingles.
Chicago Style (17th ed.) CitationMaría Cristina Giraldo de Londoño and Ronald Alan Perry. Treating ESL Writing Errors: Balancing Form and Content. Asociación Colombiana de Profesores de Ingles, 2008.
MLA (9th ed.) CitationMaría Cristina Giraldo de Londoño and Ronald Alan Perry. Treating ESL Writing Errors: Balancing Form and Content. Asociación Colombiana de Profesores de Ingles, 2008.
Warning: These citations may not always be 100% accurate.