Dyfyniad APA
Holes, L. G. (1965). Group measurement of building works. C. Lockwood.
Dyfyniad Arddull Chicago
Holes, L. G. Group Measurement of Building Works. London: C. Lockwood, 1965.
Dyfyniad MLA
Holes, L. G. Group Measurement of Building Works. C. Lockwood, 1965.
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