Não informado. (1960). Greenhouse, garden, grass. Plant Research Institute, Department of Agriculture.
Chicagoスタイル(17版)引用形式Não informado. Greenhouse, Garden, Grass. Ottawa: Plant Research Institute, Department of Agriculture, 1960.
MLA(8版)引用形式Não informado. Greenhouse, Garden, Grass. Plant Research Institute, Department of Agriculture, 1960.
警告: この引用は必ずしも正確ではありません.