Utah State University Extension
Cotton yarn is a good yarn to use for a dishcloth. It is absorbent, stronger wet than dry, machine washable and can be bleached if needed. These dishcloths are easy and fun to make. Make several and give them as gifts.
Proctor, Debra, "Level 1An - Diagonal Knit Dishcloth - 101" (2006). All Current Publications. Paper 1457.