Smilde, K. W., & VanEysinga, J. P. N. L. R. (1981). Nutritional disorders in glass house tomatoes, cucumbers and lettuce. Centre for Agricultural Publishing & Documentation.
استشهاد بنمط شيكاغوSmilde, K W., و J P N L Roorda VanEysinga. Nutritional Disorders in Glass House Tomatoes, Cucumbers and Lettuce. Wageningen: Centre for Agricultural Publishing & Documentation, 1981.
MLA استشهادSmilde, K W., و J P N L Roorda VanEysinga. Nutritional Disorders in Glass House Tomatoes, Cucumbers and Lettuce. Centre for Agricultural Publishing & Documentation, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.