McDonald, E. (2002). The 400 best garden plants: A practical encyclopedia of annuals, perennials, bulbs, trees and shrubs. Quantum Books.
Citazione stile Chigago Style (17a edizione)McDonald, Elvin. The 400 Best Garden Plants: A Practical Encyclopedia of Annuals, Perennials, Bulbs, Trees and Shrubs. London, UK: Quantum Books, 2002.
Citatione MLA (9a ed.)McDonald, Elvin. The 400 Best Garden Plants: A Practical Encyclopedia of Annuals, Perennials, Bulbs, Trees and Shrubs. Quantum Books, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.