National Committee on Agricultural Services (Canada), Agricultural Institute of Canada, & Canadian Society of Technical Agriculturists. Scientific agriculture. National Committee on Agricultural Services [etc.].
Chicago-viite (17. p.)National Committee on Agricultural Services (Canada), Agricultural Institute of Canada, ja Canadian Society of Technical Agriculturists. Scientific Agriculture. Ottawa [etc.]: National Committee on Agricultural Services [etc.].
MLA-viite (8. p.)National Committee on Agricultural Services (Canada), et al. Scientific Agriculture. National Committee on Agricultural Services [etc.].
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