(英) 科伊尔 & 邵信芳. (2017). 极简GDP史: GDP a brief but affectionate history. 浙江人民出版社.
Dyfyniad Arddull Chicago(英) 科伊尔 and 邵信芳. 极简GDP史: GDP a Brief but Affectionate History. 浙江人民出版社, 2017.
Dyfyniad MLA(英) 科伊尔 and 邵信芳. 极简GDP史: GDP a Brief but Affectionate History. 浙江人民出版社, 2017.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.