National College of Agricultural Engineering. (1972). Donkey cart. National College of Agricultural Engineering].
芝加哥风格引文National College of Agricultural Engineering. Donkey Cart. [Silsoe, Eng.: National College of Agricultural Engineering], 1972.
MLA引文National College of Agricultural Engineering. Donkey Cart. National College of Agricultural Engineering], 1972.
警告：这些引文格式不一定是100％准确.