Citazione APA

Narrog, H., & Heine, B. (2011). The Oxford handbook of grammaticalization. Oxford University Press.

Stile di citazione Chicago

Narrog, Heiko, e Bernd Heine. The Oxford Handbook of Grammaticalization. Oxford: Oxford University Press, 2011.

Citazione MLA

Narrog, Heiko, e Bernd Heine. The Oxford Handbook of Grammaticalization. Oxford University Press, 2011.