Ardrey, R., & Ardrey, B. (1967). The territorial imperative: A personal inquiry into the animal origins of property and nations. London: Collins.
Παραπομπή Chicago StyleArdrey, Robert, and Berdine Ardrey. The Territorial Imperative: A Personal Inquiry Into the Animal Origins of Property and Nations. London: Collins, 1967.
Παραπομπή MLAArdrey, Robert, and Berdine Ardrey. The Territorial Imperative: A Personal Inquiry Into the Animal Origins of Property and Nations. London: Collins, 1967.
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