Dury, G. (1966). The face of the earth. Penguin.
Chicago Style (17th ed.) CitationDury, G.H. The Face of the Earth. Harmondsworth: Penguin, 1966.
MLA (9th ed.) CitationDury, G.H. The Face of the Earth. Penguin, 1966.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.