Dyfyniad APA

Dik, S. C., & Hengeveld, K. (1997). The theory of functional grammar (Second revised edition.). Mouton de Gruyter.

Dyfyniad Arddull Chicago

Dik, S. C., and Kees Hengeveld. The Theory of Functional Grammar. Second revised edition. Berlin: Mouton de Gruyter, 1997.

Dyfyniad MLA

Dik, S. C., and Kees Hengeveld. The Theory of Functional Grammar. Second revised edition. Mouton de Gruyter, 1997.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.