Symposium on Soil Engineering Mapping la Hermosa Guest Farm Transvaal. (1964). Proceedings of Symposium on Soil Engineering Mapping. South African Institution of Civil Engineers.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSymposium on Soil Engineering Mapping la Hermosa Guest Farm Transvaal. Proceedings of Symposium on Soil Engineering Mapping. Johannesburg: South African Institution of Civil Engineers, 1964.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিSymposium on Soil Engineering Mapping la Hermosa Guest Farm Transvaal. Proceedings of Symposium on Soil Engineering Mapping. South African Institution of Civil Engineers, 1964.
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