SpringerLink (Online service), Dixon, G. R., & Aldous, D. E. (2014). Horticulture: Plants for People and Places, Volume 2: Environmental Horticulture. Springer Netherlands : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Geoffrey R. Dixon, και David E. Aldous. Horticulture: Plants for People and Places, Volume 2: Environmental Horticulture. Dordrecht: Springer Netherlands : Imprint: Springer, 2014.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Horticulture: Plants for People and Places, Volume 2: Environmental Horticulture. Springer Netherlands : Imprint: Springer, 2014.
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