I found the information on 2 sites. One site being easier for me to understand, so that will be the first link supplied. Site one. Site 2.
The internet is full of on line patterns for free. The more ridges in the cloth the better they scrub too. I just made the above cloth free hand (no pattern) with front post and back post dc (US). I really thought the entrelac stitch would make a great looking dish cloth too, so that is another reason I learned that st.
Below are some great links for dish cloths.
http://www.buttonspecialties.com/pdfs/FireBlossomDishcloth.pdf
http://www.peaches-creme.com/ladder_stitch_crocheted_dishcloth.htm
http://cocoacream.wordpress.com/2007/09/11/textured-stripes-dishcloth/
http://www.straw.com/cpy/patterns/cotton_chenille_crochetwcloth.html
dish cloth mania lotshttp://dishandwashclothmania.com/cloths-crochet/
http://www.freepatterns.com/list.html?parent_cat_id=2&usage=&criteria=dishcloth
Includes recycled plarn in the centre for a scrubbie.http://www.myrecycledbags.com/2008/07/03/sunshine-dishcloth-with-scrubbie/
http://cityofcrochet.blogspot.com/2006/10/crazy-cloth.html
Pattern Book Dish Cloths.http://www.bernat.com/patternbook.php?PBS=530160http://www.ericas.com/needlework/books/dishcloths.htm