United Nations Economic Commission for Europe & FAO. (1977). Protein and non-protein nitrogen for rumiants. Pergamon Press.
Chicago Style (17th ed.) CitationUnited Nations Economic Commission for Europe and FAO. Protein and Non-protein Nitrogen for Rumiants. London: Pergamon Press, 1977.
MLA (9th ed.) CitationUnited Nations Economic Commission for Europe and FAO. Protein and Non-protein Nitrogen for Rumiants. Pergamon Press, 1977.