Forsythe, W. (2002). Environmental parameters that affect the soil temperature in Turrialba, Costa Rica and their consequences for crop production.
استشهاد بنمط شيكاغوForsythe, Warren. Environmental Parameters That Affect the Soil Temperature in Turrialba, Costa Rica and Their Consequences for Crop Production. 2002.
MLA استشهادForsythe, Warren. Environmental Parameters That Affect the Soil Temperature in Turrialba, Costa Rica and Their Consequences for Crop Production. 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.