Wegmann, B. (1986). Ocho Mundos: Themes for vocabulary building and cultural awareness (3rd ed.). Harcourt brace.
Chicago-referens (17:e uppl.)Wegmann, Brenda. Ocho Mundos: Themes for Vocabulary Building and Cultural Awareness. 3rd ed. Philadelphia: Harcourt brace, 1986.
MLA-referens (9:e uppl.)Wegmann, Brenda. Ocho Mundos: Themes for Vocabulary Building and Cultural Awareness. 3rd ed. Harcourt brace, 1986.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.