Valera Martínez, D. L., Gil, J., & Agüera Vega, J. (2020). Design of a New Sensor for Determination of the Effects of Tractor Field Usage in Southern Spain: Soil Sinkage and Alterations in the Cone Index and Dry Bulk Density. MDPI.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Valera Martínez, Diego Luis, Jesús Gil, و Juan Agüera Vega. Design of a New Sensor for Determination of the Effects of Tractor Field Usage in Southern Spain: Soil Sinkage and Alterations in the Cone Index and Dry Bulk Density. MDPI, 2020.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Valera Martínez, Diego Luis, et al. Design of a New Sensor for Determination of the Effects of Tractor Field Usage in Southern Spain: Soil Sinkage and Alterations in the Cone Index and Dry Bulk Density. MDPI, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.