APA
Singh B., Dhaliwal G. & Sidhu B. (1981). Nutritional disorders in wheat and their remedies. India: Punjab Agricultural University.
Chicago
Singh B, Dhaliwal G.S and Sidhu B.S. 1981. Nutritional disorders in wheat and their remedies. India: Punjab Agricultural University.
Harvard
Singh B., Dhaliwal G. and Sidhu B. (1981). Nutritional disorders in wheat and their remedies. India: Punjab Agricultural University.
MLA
Singh B, Dhaliwal G.S and Sidhu B.S. Nutritional disorders in wheat and their remedies. India: Punjab Agricultural University. 1981.