APA Style
Hill, Charles W. L.. ().
Model occupational skill standard for mason/bricklayer model code of occupational skill standards for the guidance of government and industry .
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Chicago Style
Hill, Charles W. L..
Model occupational skill standard for mason/bricklayer model code of occupational skill standards for the guidance of government and industry.
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,
.
.
MLA Style
Hill, Charles W. L..
Model occupational skill standard for mason/bricklayer model code of occupational skill standards for the guidance of government and industry.
:
,
.
.
Turabian Style
Hill, Charles W. L..
Model occupational skill standard for mason/bricklayer model code of occupational skill standards for the guidance of government and industry.
:
,
.
.