Balodis, Ringolds, and Annija Kārkliņa. “Valsts tiesību attīstība Latvijā: Otrais neatkarības Laiks: The Development of Constitutional Law in Latvia: The Second Period of Independence”.
Journal of the University of Latvia. Law, no. 1, Sept. 2010, pp. 25-52,
https://journal.lu.lv/jull/article/view/271.