Davis, P. H., & Cullen, J. (1965). The identification of flowering plant families /: Including a key to those native and cultivated in north temperate regions. Edinburgh: Oliver and Boyd.
Παραπομπή Chicago StyleDavis, P. H., and J. Cullen. The Identification of Flowering Plant Families /: Including a Key to Those Native and Cultivated in North Temperate Regions. Edinburgh: Oliver and Boyd, 1965.
Παραπομπή MLADavis, P. H., and J. Cullen. The Identification of Flowering Plant Families /: Including a Key to Those Native and Cultivated in North Temperate Regions. Edinburgh: Oliver and Boyd, 1965.
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