杨红玉著. (2017). 逻辑学：从形式逻辑到非形式逻辑：from formal logic to informal logic. 中国社会科学出版社.
Dyfyniad Arddull Chicago杨红玉著. 逻辑学：从形式逻辑到非形式逻辑：from Formal Logic to Informal Logic. 中国社会科学出版社, 2017.
Dyfyniad MLA杨红玉著. 逻辑学：从形式逻辑到非形式逻辑：from Formal Logic to Informal Logic. 中国社会科学出版社, 2017.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.