(2015). Powerful perennials: Enduring flower gardens that thrive in any climate / Nedra Secrist.
Citazione stile Chigago Style (17a edizione)Powerful Perennials: Enduring Flower Gardens That Thrive in Any Climate / Nedra Secrist. 2015.
Citatione MLA (9a ed.)Powerful Perennials: Enduring Flower Gardens That Thrive in Any Climate / Nedra Secrist. 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.