GOST
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Huseyn-Zade S. Model of Allocation of lerarchical Systems of Service Centres in a Region // Economics and the Mathematical Methods. – 1990. – V. 26. – Issue 2 C. 372-375 . |
MLA
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Huseyn-Zade, S. "Model of Allocation of lerarchical Systems of Service Centres in a Region." Economics and the Mathematical Methods. 26.2 (1990).:372-375. |
APA
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Huseyn-Zade S. (1990). Model of Allocation of lerarchical Systems of Service Centres in a Region. Economics and the Mathematical Methods. vol. 26, no. 2, pp.372-375 |