Dyfyniad APA

HURD, M. (1995). Formwork For Concrete. American Concrete Institute.

Dyfyniad Arddull Chicago

HURD, M.K. Formwork For Concrete. American Concrete Institute, 1995.

Dyfyniad MLA

HURD, M.K. Formwork For Concrete. American Concrete Institute, 1995.

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