Plants and Environment | Plant and Environmental Research Institute (PERI). Cambridge University Press.
Čikaški stil citiranja (17. izdanje)Plants and Environment | Plant and Environmental Research Institute (PERI). Cambridge University Press.
MLA način citiranja (9. izdanje)Plants and Environment | Plant and Environmental Research Institute (PERI). Cambridge University Press.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.