APA
Schibsbye K., . (1979). A modern english grammar with an appendex. Oxford: Oxford University Press.
Chicago
Schibsbye Knud, . 1979. A modern english grammar with an appendex. Oxford: Oxford University Press.
Harvard
Schibsbye K., . (1979). A modern english grammar with an appendex. Oxford: Oxford University Press.
MLA
Schibsbye Knud, . A modern english grammar with an appendex. Oxford: Oxford University Press. 1979.
