Duddin, M. K. (1995). Rural land resources. Hodder and Stoughton.
Tohutoru Kātū Chicago (17th ed.)Duddin, Martin K. Rural Land Resources. London: Hodder and Stoughton, 1995.
Tohutoro MLA (9th ed.)Duddin, Martin K. Rural Land Resources. Hodder and Stoughton, 1995.
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