APA
Singgh. P, . (1970). Host - Plant Nutrition and Compostion: Effects on Agricultural. Belleville, Ontarioo: Research branch Canada Department of Agriculture.
Chicago
Singgh. P, . 1970. Host - Plant Nutrition and Compostion: Effects on Agricultural. Belleville, Ontarioo: Research branch Canada Department of Agriculture.
Harvard
Singgh. P, . (1970). Host - Plant Nutrition and Compostion: Effects on Agricultural. Belleville, Ontarioo: Research branch Canada Department of Agriculture.
MLA
Singgh. P, . Host - Plant Nutrition and Compostion: Effects on Agricultural. Belleville, Ontarioo: Research branch Canada Department of Agriculture. 1970.