APA-viite (7. p.)
O'Brien, D. (1981). Theories of weight in the ancient world: 4 essays on Democritus, Plato and Aristotle. A study in the development of ideas. Vol. 1. Les Belles Lettres.
Chicago-viite (17. p.)
O'Brien, Denis. Theories of Weight in the Ancient World: 4 Essays on Democritus, Plato and Aristotle. A Study in the Development of Ideas. Vol. 1. Paris: Les Belles Lettres, 1981.
MLA-viite (9. p.)
O'Brien, Denis. Theories of Weight in the Ancient World: 4 Essays on Democritus, Plato and Aristotle. A Study in the Development of Ideas. Vol. 1. Les Belles Lettres, 1981.
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