Harris, J. G., & Harris, M. W. (2006). Plant identification terminology: An illustrated glossary (2nd ed.). Spring Lake Publishing.
Citazione stile Chigago Style (17a edizione)Harris, James G., e Melinda Woolf Harris. Plant Identification Terminology: An Illustrated Glossary. 2nd ed. Springville, Utah: Spring Lake Publishing, 2006.
Citatione MLA (9a ed.)Harris, James G., e Melinda Woolf Harris. Plant Identification Terminology: An Illustrated Glossary. 2nd ed. Spring Lake Publishing, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.