Herrmann, Annika. Modal and Focus Particles in Sign Languages. A Cross-Linguistic Study. Berlin, Boston: De Gruyter Mouton USA, 2013. Web. Retrieved 22 May. 2013, from http://www.degruyter.com/view/product/183453

Herrmann, A. (2013). Modal and Focus Particles in Sign Languages. A Cross-Linguistic Study. Berlin, Boston: De Gruyter Mouton USA. Retrieved 22 May. 2013, from http://www.degruyter.com/view/product/183453

Herrmann, Annika. 2013. Modal and Focus Particles in Sign Languages. A Cross-Linguistic Study. Berlin, Boston: De Gruyter Mouton USA. Retrieved 22 May. 2013, from http://www.degruyter.com/view/product/183453