Emmanuel, B. S. (2013). Energy Flux and Animal Products. Obafemi Awolowo University Press.
Chicago-čujuhus (17. p.)Emmanuel, B. S. Energy Flux and Animal Products. Obafemi Awolowo University Press, 2013.
MLA-čujuhus (9. p.)Emmanuel, B. S. Energy Flux and Animal Products. Obafemi Awolowo University Press, 2013.
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