National Association of Forest Industries. (1989). Timber manual: Design and specifiction. NAFI.
Cita Chicago Style (17a ed.)National Association of Forest Industries. Timber Manual: Design and Specifiction. Canberra: NAFI, 1989.
Cita MLA (9a ed.)National Association of Forest Industries. Timber Manual: Design and Specifiction. NAFI, 1989.
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