APA
(1969). Feasibility of physical system model for evaluating improvement in the cattle and fresh beef industry. USA: Agricultural Research Service.
Chicago
1969. Feasibility of physical system model for evaluating improvement in the cattle and fresh beef industry. USA: Agricultural Research Service.
Harvard
(1969). Feasibility of physical system model for evaluating improvement in the cattle and fresh beef industry. USA: Agricultural Research Service.
MLA
Feasibility of physical system model for evaluating improvement in the cattle and fresh beef industry. USA: Agricultural Research Service. 1969.