Jorgensen, P. (1963). German grammar in collaboration with Ove K. Calusen. New York University Press.
Citazione stile Chigago Style (17a edizione)Jorgensen, Peter. German Grammar in Collaboration with Ove K. Calusen. [New York]: New York University Press, 1963.
Citatione MLA (9a ed.)Jorgensen, Peter. German Grammar in Collaboration with Ove K. Calusen. New York University Press, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.