Rowlinson, W. (2000). German grammar. Oxford University Press.
Chicago Style (17th ed.) ZitazioaRowlinson, W. German Grammar. New York: Oxford University Press, 2000.
MLA (9th ed.) ZitazioaRowlinson, W. German Grammar. Oxford University Press, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.