Citace podle APA

Malthus, T. R. (1970). An essay on the principle of population and a summary view of the principle of population. Penguin books.

Styl Chicago

Malthus, Thomas Robert. An Essay on the Principle of Population and a Summary View of the Principle of Population. England: Penguin books, 1970.

Citace podle MLA

Malthus, Thomas Robert. An Essay on the Principle of Population and a Summary View of the Principle of Population. Penguin books, 1970.

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