APA-Zitierstil (7. Ausg.)

Da Silva, Z. S. (1977). On with Spanish: A concept approach (2.ed.). Harper & Row.

Chicago-Zitierstil (17. Ausg.)

Da Silva, Zenia Sacks. On with Spanish: A Concept Approach. 2.ed. New York: Harper & Row, 1977.

MLA-Zitierstil (9. Ausg.)

Da Silva, Zenia Sacks. On with Spanish: A Concept Approach. 2.ed. Harper & Row, 1977.