APA Citatie

Butt, J., & John Butt. (2000). Spanish verbpack. Oxford,New York: Oxford University Press.

Chicago Style citaat

Butt, John, en John Butt. Spanish Verbpack. Oxford,New York: Oxford University Press, 2000.

MLA citatie

Butt, John, en John Butt. Spanish Verbpack. Oxford,New York: Oxford University Press, 2000.