International Symposium on Foliar Fertilization Berlin, Germany, Schering A.G. Agrochemical Division. Special Fertilizer Group, & Alexander, A. (1986). Foliar fertilization: Proceedings of the First International Symposium on Foliar Fertilization. Martinus Nijhoff.
Citazione stile Chigago Style (17a edizione)International Symposium on Foliar Fertilization Berlin, Germany, Schering A.G. Agrochemical Division. Special Fertilizer Group, e A. Alexander. Foliar Fertilization: Proceedings of the First International Symposium on Foliar Fertilization. Dordrecht: Martinus Nijhoff, 1986.
Citatione MLA (9a ed.)International Symposium on Foliar Fertilization Berlin, Germany, et al. Foliar Fertilization: Proceedings of the First International Symposium on Foliar Fertilization. Martinus Nijhoff, 1986.