David W Rycroff. (1995). FAO irrgation and drainage paper N.51: Prospects for the drainage of clay soils. Rome: FAO.
استشهاد بنمط شيكاغوDavid W Rycroff. FAO Irrgation and Drainage Paper N.51: Prospects for the Drainage of Clay Soils. Rome: FAO, 1995.
MLA استشهادDavid W Rycroff. FAO Irrgation and Drainage Paper N.51: Prospects for the Drainage of Clay Soils. Rome: FAO, 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.