APA
(1980). Research results in manure digestion, runoff, refeeding, odors. Colorado: Technical Committee, animal waste management systems.
Chicago
1980. Research results in manure digestion, runoff, refeeding, odors. Colorado: Technical Committee, animal waste management systems.
Harvard
(1980). Research results in manure digestion, runoff, refeeding, odors. Colorado: Technical Committee, animal waste management systems.
MLA
Research results in manure digestion, runoff, refeeding, odors. Colorado: Technical Committee, animal waste management systems. 1980.