Sweetman, H. .. Principles of biological Control: In relation of hosts and pests and utilisation in regulation of animal and plant populations.
Chicago Edition CitationSweetman, Harvey .L. Principles of Biological Control: In Relation of Hosts and Pests and Utilisation in Regulation of Animal and Plant Populations.
MLA Edition CitationSweetman, Harvey .L. Principles of Biological Control: In Relation of Hosts and Pests and Utilisation in Regulation of Animal and Plant Populations.
Warning: These citations may not always be 100% accurate.