Burton, M., & Burton, R. (1973). The life of meat eaters: Introduction to the way meat eaters live and behave. MacDonald Educational.
Chicago-viite (17. p.)Burton, Maurice, ja Robert Burton. The Life of Meat Eaters: Introduction to the Way Meat Eaters Live and Behave. London: MacDonald Educational, 1973.
MLA-viite (9. p.)Burton, Maurice, ja Robert Burton. The Life of Meat Eaters: Introduction to the Way Meat Eaters Live and Behave. MacDonald Educational, 1973.
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