Symposium on National Utilisation of Land Resources in Malaysia Universiti Pertanian Malaysia, Agricultural Institute of Malaysia, Malaysian Scientific Association, & Malaysian Society of Soil Science. (1973). Proceedings of the Symposium on National Utilisation of Land Resources in Malaysia, Serdang, 1973. s.n..
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Symposium on National Utilisation of Land Resources in Malaysia Universiti Pertanian Malaysia, Agricultural Institute of Malaysia, Malaysian Scientific Association, và Malaysian Society of Soil Science. Proceedings of the Symposium on National Utilisation of Land Resources in Malaysia, Serdang, 1973. [S.l.: s.n., 1973.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Symposium on National Utilisation of Land Resources in Malaysia Universiti Pertanian Malaysia, et al. Proceedings of the Symposium on National Utilisation of Land Resources in Malaysia, Serdang, 1973. s.n., 1973.