Tohutoro APA (7th ed.)
Williams, J. T. (1968). The Nitrogen Relations and other ecological investigations on wet fertilised meadows.
Tohutoru Kātū Chicago (17th ed.)
Williams, John Trevor. The Nitrogen Relations and Other Ecological Investigations on Wet Fertilised Meadows. Zürich, 1968.
Tohutoro MLA (9th ed.)
Williams, John Trevor. The Nitrogen Relations and Other Ecological Investigations on Wet Fertilised Meadows. 1968.
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