Robson, K. A., Richter, A., & Filbert, M. (2008). Encyclopedia of Northwest native plants for gardens and landscapes. Timber Press.
Style de citation Chicago (17e éd.)Robson, Kathleen A., Alice Richter, et Marianne Filbert. Encyclopedia of Northwest Native Plants for Gardens and Landscapes. Portland, Or.: Timber Press, 2008.
Style de citation MLA (8e éd.)Robson, Kathleen A., et al. Encyclopedia of Northwest Native Plants for Gardens and Landscapes. Timber Press, 2008.
Attention : ces citations peuvent ne pas être correctes à 100%.