APA
Da Silva Z. S., . (1975). Nuestro mundo. New York ; London: Macmillian Publishing Co ; Collier Macmillian Publisher.
Chicago
Da Silva Zenia Sacks, . 1975. Nuestro mundo. New York ; London: Macmillian Publishing Co ; Collier Macmillian Publisher.
Harvard
Da Silva Z. S., . (1975). Nuestro mundo. New York ; London: Macmillian Publishing Co ; Collier Macmillian Publisher.
MLA
Da Silva Zenia Sacks, . Nuestro mundo. New York ; London: Macmillian Publishing Co ; Collier Macmillian Publisher. 1975.
