Não informado. (1960). Greenhouse, garden, grass. Plant Research Institute, Department of Agriculture.
Cita Chicago Style (17a ed.)Não informado. Greenhouse, Garden, Grass. Ottawa: Plant Research Institute, Department of Agriculture, 1960.
Cita MLA (8a ed.)Não informado. Greenhouse, Garden, Grass. Plant Research Institute, Department of Agriculture, 1960.
Precaución: Estas citas no son 100% exactas.