Royal Society (Great Britain). (1983). The nitrogen cycle of the United Kingdom: Report of a Royal Society study group. Royal Society.
Citace podle Chicago (17th ed.)Royal Society (Great Britain). The Nitrogen Cycle of the United Kingdom: Report of a Royal Society Study Group. London: Royal Society, 1983.
Citace podle MLA (8th ed.)Royal Society (Great Britain). The Nitrogen Cycle of the United Kingdom: Report of a Royal Society Study Group. Royal Society, 1983.
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