APA
Pirie N. W., . (2008). Leaf protein and its by products in human and animal nutrition. Cambridge: Cambridge University Press.
Chicago
Pirie N W, . 2008. Leaf protein and its by products in human and animal nutrition. Cambridge: Cambridge University Press.
Harvard
Pirie N. W., . (2008). Leaf protein and its by products in human and animal nutrition. Cambridge: Cambridge University Press.
MLA
Pirie N W, . Leaf protein and its by products in human and animal nutrition. Cambridge: Cambridge University Press. 2008.