419–420*Zhang, Tongxin "History of Wars between Nationalist New Warlords", 1st Edition, published by Heilongjiang People's Publishing House in Harbin & distributed by New China Bookstore Heilongjiang branch, 1982.
419–420* Zhang, Tongxin "History of Wars between Nationalist New Warlords", 1st Edition, published by Heilongjiang People’s Publishing House in Harbin & distributed by New China Bookstore Heilongjiang branch, 1982.