Thompson , W. R. (1951). A catalogue of the Parasites and Predators of: Insect pests. The Commonwealth Institute of biological control.
Chicago-viite (17. p.)Thompson , W. R. A Catalogue of the Parasites and Predators of: Insect Pests. Ottawa: The Commonwealth Institute of biological control, 1951.
MLA-viite (9. p.)Thompson , W. R. A Catalogue of the Parasites and Predators of: Insect Pests. The Commonwealth Institute of biological control, 1951.
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