Bruce, D., & Cowlin, R. W. (1968). Timber measurement problems in the Douglas-fir region of Washington and Oregon. Pacific Northwest Forest and Range Experiment Station.
Style de citation Chicago (17e éd.)Bruce, David, et Robert W. Cowlin. Timber Measurement Problems in the Douglas-fir Region of Washington and Oregon. [Portland, Or.]: Pacific Northwest Forest and Range Experiment Station, 1968.
Style de citation MLA (8e éd.)Bruce, David, et Robert W. Cowlin. Timber Measurement Problems in the Douglas-fir Region of Washington and Oregon. Pacific Northwest Forest and Range Experiment Station, 1968.
Attention : ces citations peuvent ne pas être correctes à 100%.