Ramón Portilla, D., & Rivera Atariguana, M. Social studies module in english for fourth grades of basic education in Abdón Calderón Military Bilingual high school.
Čikaški stil citiranja (17. izdanje)Ramón Portilla, Diana, i María Rivera Atariguana. Social Studies Module in English for Fourth Grades of Basic Education in Abdón Calderón Military Bilingual High School.
MLA način citiranja (8. izdanje)Ramón Portilla, Diana, i María Rivera Atariguana. Social Studies Module in English for Fourth Grades of Basic Education in Abdón Calderón Military Bilingual High School.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.