Atkins, H. N. (1997). Highway Materials, Soils, And Concrete Harold N. Atkinson. Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAtkins, Harold N. Highway Materials, Soils, And Concrete Harold N. Atkinson. Prentice-Hall, 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAtkins, Harold N. Highway Materials, Soils, And Concrete Harold N. Atkinson. Prentice-Hall, 1997.
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