KLAVŽAR, Sandi, 2003, Gravier, Sylvain: Total domination number of grid graphs. - Discrete Appl. Math. 121 (2002), no. 1-3, 119-128. Mathematical reviews [na spletu]. 2003. Vol. 2003c. [Dostopano 17 marec 2025]. Pridobljeno s: http://www.ams.org/mathscinet/pdf/1907550.pdf