References
Headley, Gwyn, and Yvonne Seeley. Mah-Jong. 3rd edition. With British Mah-Jong Association. Know the Game Series. Bloomsbury Sport, 2019.
Miller, Scott D. Mahjong from A to Zhu. 1st ed. Lulu.com, 2012.
Headley, Gwyn, and Yvonne Seeley. Mah-Jong. 3rd edition. With British Mah-Jong Association. Know the Game Series. Bloomsbury Sport, 2019.
Miller, Scott D. Mahjong from A to Zhu. 1st ed. Lulu.com, 2012.