Guides
Japanese General Laws of Mahjong
These rules were written in Baba Hirokazu and Katayama Masayuki's book Bakatsuki Typhoon [http://www.amazon.co.jp/gp/product/481240925X/ref=as_li_qf_sp_asin_tl?ie=UTF8&tag=osamuko-22&linkCode=as2&camp=247&creative=1211&creativeASIN=481240925X] and are the most widely used rules in Japan Translation