Plunkett Foundation for Co-operative Studies. Agricultural Co-operation Organisation Chart. London: Plunkett Foundation for Co-operative Studies.
芝加哥风格引文Plunkett Foundation for Co-operative Studies. Agricultural Co-operation Organisation Chart. London: Plunkett Foundation for Co-operative Studies.
MLA引文Plunkett Foundation for Co-operative Studies. Agricultural Co-operation Organisation Chart. London: Plunkett Foundation for Co-operative Studies.
警告：这些引文格式不一定是100％准确.