《资治通鉴·汉纪·汉纪十八》
而耿寿昌请求购买一百万斛，实际只得四十万斛而已，义渠安国再次出行，又用去一半。
耿中丞请籴百万斛，乃得四十万斛耳；义渠再使且费其半。
Geng Shouchang asked to purchase 1 million hus, but in fact, only 400,000 hus were purchased, and Yiqu Anguo used half of them again when he went out again.