Jorgensen, P. (1963). German grammar in collaboration with Ove K. Calusen. New York University Press.
Cita Chicago (17th ed.)Jorgensen, Peter. German Grammar in Collaboration with Ove K. Calusen. [New York]: New York University Press, 1963.
Cita MLA (9th ed.)Jorgensen, Peter. German Grammar in Collaboration with Ove K. Calusen. New York University Press, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.