Ul-Allah, S. (2013). Towards a water and nutrient efficient forage production in semi-arid regions of Pakistan. kassel university press GmbH.
芝加哥风格引文Ul-Allah, Sami. Towards a Water and Nutrient Efficient Forage Production in Semi-arid Regions of Pakistan. Kassel, Germany: kassel university press GmbH, 2013.
MLA引文Ul-Allah, Sami. Towards a Water and Nutrient Efficient Forage Production in Semi-arid Regions of Pakistan. kassel university press GmbH, 2013.
警告：这些引文格式不一定是100％准确.