GREENBERG, Joseph Harold und HASPELMATH, Martin, 2005. Language universals : with special reference to feature hierarchies. [Repr. ed.]. Berlin [u.a.]: Mouton de Gruyter. Janua linguarum. Series minor, 59. ISBN 3110172844.

Greenberg, J.H., Haspelmath, M., 2005. Language universals : with special reference to feature hierarchies, [Repr. ed.]. ed, A Mouton classic, Janua linguarum. Series minor. Mouton de Gruyter, Berlin [u.a.].

Greenberg, J. H., & Haspelmath, M. (ca. 2005). Language universals : with special reference to feature hierarchies [Book]. In A Mouton classic ([Repr. ed.]). Mouton de Gruyter.

Greenberg JH, Haspelmath M (2005) Language universals : with special reference to feature hierarchies, [Repr. ed.]. Mouton de Gruyter, Berlin [u.a.]

Greenberg, Joseph Harold/ Haspelmath, Martin, Language universals : with special reference to feature hierarchies, [Repr. ed.] , Berlin [u.a.] 2005.