Swick, E. (2017). German demystified. McGraw-Hill.
Cita Chicago (17th ed.)Swick, Edward. German Demystified. New York: McGraw-Hill, 2017.
Cita MLA (9th ed.)Swick, Edward. German Demystified. McGraw-Hill, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.