Baker, S., & DeGroot, A. (1930). Concrete engineer's manual . A convenient reference book.
Chicagoスタイル(17版)引用形式Baker, Samuel, , A. DeGroot. Concrete Engineer's Manual . A Convenient Reference Book. Scranton, Pa., International textbook company, 1930.
MLA(9版)引用形式Baker, Samuel, , A. DeGroot. Concrete Engineer's Manual . A Convenient Reference Book. 1930.
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