Dyfyniad APA

Armstrong, F. (1960). The Strength Properties of Timber. Majesty's Stationery Office.

Dyfyniad Arddull Chicago

Armstrong, F.H. The Strength Properties of Timber. London: Majesty's Stationery Office, 1960.

Dyfyniad MLA

Armstrong, F.H. The Strength Properties of Timber. Majesty's Stationery Office, 1960.

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