International Conference on Geotextiles, G. a. R. P. (. :. 1. :. T. H., & Hoedt, G. D. (1990). Geotextiles, geomembranes and related products: Proceedings of the 4th International Conference on Geotextiles, Geomembranes and Related Products, The Hague, 28 May - 1 June 1990. Rotterdam : AA Balkema.
Citazione stile Chigago Style (17a edizione)International Conference on Geotextiles, Geomembranes and Related Products (4th : 1990 : The Hague, e G. Den Hoedt. Geotextiles, Geomembranes and Related Products: Proceedings of the 4th International Conference on Geotextiles, Geomembranes and Related Products, The Hague, 28 May - 1 June 1990. Rotterdam : AA Balkema, 1990.
Citatione MLA (9a ed.)International Conference on Geotextiles, Geomembranes and Related Products (4th : 1990 : The Hague, e G. Den Hoedt. Geotextiles, Geomembranes and Related Products: Proceedings of the 4th International Conference on Geotextiles, Geomembranes and Related Products, The Hague, 28 May - 1 June 1990. Rotterdam : AA Balkema, 1990.