APA (7e ed.) Bronvermelding

ebrary, Inc, Dufter, A., Fleischer, J., & Seiler, G. (2009). Describing and modeling variation in grammar. Mouton de Gruyter.

Chicago (17e ed.) Bronvermelding

ebrary, Inc, Andreas Dufter, Jürg Fleischer, en Guido Seiler. Describing and Modeling Variation in Grammar. Berlin ; New York: Mouton de Gruyter, 2009.

MLA (9e ed.) Bronvermelding

ebrary, Inc, et al. Describing and Modeling Variation in Grammar. Mouton de Gruyter, 2009.