Sweetman, H. L. (1958). The principles of biological control: Interrelation of hosts and pests and utilization in regulation of animal and plant populations. Wm. C.Brown Co..
芝加哥风格引文Sweetman, Harvey Leroy. The Principles of Biological Control: Interrelation of Hosts and Pests and Utilization in Regulation of Animal and Plant Populations. Dubuque, Iowa: Wm. C.Brown Co., 1958.
MLA引文Sweetman, Harvey Leroy. The Principles of Biological Control: Interrelation of Hosts and Pests and Utilization in Regulation of Animal and Plant Populations. Wm. C.Brown Co., 1958.
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