Leng, R. A. (1991). Improving ruminant production and reducing methane emissions from ruminants by strategic supplementation. [New York].
Chicago Style aipamenaLeng, R. A. Improving Ruminant Production and Reducing Methane Emissions From Ruminants By Strategic Supplementation. [New York], 1991.
MLA aipamenaLeng, R. A. Improving Ruminant Production and Reducing Methane Emissions From Ruminants By Strategic Supplementation. [New York], 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.