Clark, K. (1969). Civilisation: A personal view. Penguin.
Chicago Style (17th ed.) CitationClark, Kenneth. Civilisation: A Personal View. Harmondsworth: Penguin, 1969.
MLA citiranjeClark, Kenneth. Civilisation: A Personal View. Penguin, 1969.
Opozorilo: Ti citati niso vedno 100% točni.