Seminar on Soil Survey and Land Evaluation Wageningen, Netherlands, Commission of the European Communities. Cordination of Agricultural Research, Haans, J. C. F. M., Steur, G. G. L., & Heide, G. (1984). Progress in land evaluation: Proceedings of a Seminar on Soil Survey and Land Evaluation, Wageningen, Netherlands, 26-29 September, 1983. A.A. Balkema.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSeminar on Soil Survey and Land Evaluation Wageningen, Netherlands, Commission of the European Communities. Cordination of Agricultural Research, J. C. F. M. Haans, G. G. L. Steur, এবং G. Heide. Progress in Land Evaluation: Proceedings of a Seminar on Soil Survey and Land Evaluation, Wageningen, Netherlands, 26-29 September, 1983. Rotterdam: A.A. Balkema, 1984.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিSeminar on Soil Survey and Land Evaluation Wageningen, Netherlands, et al. Progress in Land Evaluation: Proceedings of a Seminar on Soil Survey and Land Evaluation, Wageningen, Netherlands, 26-29 September, 1983. A.A. Balkema, 1984.