Cita APA (7th ed.)
Sacks Da Silva, Z. (1963). Beginning Spanish: A Concept Approach (Segunda edición.). Harper & Row.
Cita Chicago (17th ed.)
Sacks Da Silva, Zenia. Beginning Spanish: A Concept Approach. Segunda edición. New York: Harper & Row, 1963.
Cita MLA (9th ed.)
Sacks Da Silva, Zenia. Beginning Spanish: A Concept Approach. Segunda edición. Harper & Row, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.