Peter S Harris. (2000). FAO plant production and protection paper N162: Grassland resource assessment for pastoral systems. Rome: FAO.
استشهاد بنمط شيكاغوPeter S Harris. FAO Plant Production and Protection Paper N162: Grassland Resource Assessment for Pastoral Systems. Rome: FAO, 2000.
MLA استشهادPeter S Harris. FAO Plant Production and Protection Paper N162: Grassland Resource Assessment for Pastoral Systems. Rome: FAO, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.