Tirado Sánchez, H. (1979). Agro-economic evaluation of two crop systems established with zero tilling in Turrialba, Costa Rica.
استشهاد بنمط شيكاغوTirado Sánchez, H. Agro-economic Evaluation of Two Crop Systems Established With Zero Tilling in Turrialba, Costa Rica. 1979.
MLA استشهادTirado Sánchez, H. Agro-economic Evaluation of Two Crop Systems Established With Zero Tilling in Turrialba, Costa Rica. 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.