Não informado. (1968). Canadian agricultural insect pest review. Department of Agriculture, Information Division.
Cita Chicago Style (17a ed.)Não informado. Canadian Agricultural Insect Pest Review. Ottawa: Department of Agriculture, Information Division, 1968.
Cita MLA (8a ed.)Não informado. Canadian Agricultural Insect Pest Review. Department of Agriculture, Information Division, 1968.
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