APA ציטוט

Leng, R. A. (1991). Improving ruminant production and reducing methane emissions from ruminants by strategic supplementation. [New York].

Trích dẫn kiểu Chicago

Leng, R. A. Improving Ruminant Production and Reducing Methane Emissions From Ruminants By Strategic Supplementation. [New York], 1991.

ציטוט MLA

Leng, R. A. Improving Ruminant Production and Reducing Methane Emissions From Ruminants By Strategic Supplementation. [New York], 1991.