Sisam, J. W. B. (1947). The use of aerial survey in forestry and agriculture. Imperial Forestry Bureau.
Citación estilo ChicagoSisam, John W. B. The Use of Aerial Survey in Forestry and Agriculture. Oxford: Imperial Forestry Bureau, 1947.
Cita MLASisam, John W. B. The Use of Aerial Survey in Forestry and Agriculture. Oxford: Imperial Forestry Bureau, 1947.
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