Siemund, Peter (Ed.). Linguistic Universals and Language Variation. Berlin, Boston: De Gruyter Mouton, 2011. Web. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/product/119432

Siemund, P. (Ed.) (2011). Linguistic Universals and Language Variation. Berlin, Boston: De Gruyter Mouton. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/product/119432

Siemund, Peter (Ed.). 2011. Linguistic Universals and Language Variation. Berlin, Boston: De Gruyter Mouton. Retrieved 20 Jun. 2013, from http://www.degruyter.com/view/product/119432