A. Hoffner, Harry & Harold Craig Melchert. 2008. A Grammar of the Hittite Language. Languages of the Ancient Near East. Vol. 1. Refference Grammar. (Languages Of The Ancient Near East). Winona Lake, Indiana: Eisenbrauns. http://lm39roma.altervista.org/materiali/Hoffner-Melchert_Hittite.pdf.