Newton, I. (1962). Mathematical principles of natural philosophy and his system of the world: Mathematical principles of natural philosophy and his system of the world : Volume two : The system of the world. Berkeley etc.: University of California press.
Chicago stil citiranjaNewton, Isaac. Mathematical principles of natural philosophy and his system of the world: Mathematical principles of natural philosophy and his system of the world : Volume two : The system of the world. Berkeley etc.: University of California press, 1962.
MLA stil citiranjaNewton, Isaac. Mathematical principles of natural philosophy and his system of the world: Mathematical principles of natural philosophy and his system of the world : Volume two : The system of the world. Berkeley etc.: University of California press, 1962.