Resumen,resena y normas apa by darlin marin on prezi. For the right apa reference you first have to determine which kind of source it is. Apa style is a difficult citation format for firsttime learners jones, 1998, p. Agricultural abandonment, suburban growth, and forest expansion in puerto rico between 1991 and 2000. It is possible to use pdf documents as a source in your thesis. Ileana falcon laguna, mls bibliotecaria escolar university gardens high school 2. Trabajos autopublicados en internet pdf, word, ppt. If you wish to simply overwrite this document, download either the. But after some googling i found that the same technique was exposed in 2010 so it was not a new technique.