Knorre, M. (2005). Puntos en breve 2: A brief course (2nd ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationKnorre, Marty. Puntos En Breve 2: A Brief Course. 2nd ed. Boston: McGraw-Hill, 2005.
MLA (9th ed.) CitationKnorre, Marty. Puntos En Breve 2: A Brief Course. 2nd ed. McGraw-Hill, 2005.