APA
Van Burg P F J Ed, International conference on nitrogen and grass land (1965 : Wageningen) & Arnold G H Ed. (1966). Proceeding on nitrogen and grassland. Wegemomgem: C A P D.
Chicago
Van Burg P F J Ed, International conference on nitrogen and grass land (1965 : Wageningen) and Arnold G H Ed. 1966. Proceeding on nitrogen and grassland. Wegemomgem: C A P D.
Harvard
Van Burg P F J Ed, International conference on nitrogen and grass land (1965 : Wageningen) and Arnold G H Ed. (1966). Proceeding on nitrogen and grassland. Wegemomgem: C A P D.
MLA
Van Burg P F J Ed, International conference on nitrogen and grass land (1965 : Wageningen) and Arnold G H Ed. Proceeding on nitrogen and grassland. Wegemomgem: C A P D. 1966.
