The National Cactus and Succulent Journal. British Cactus and Succulent Society.
Citazione stile Chigago Style (17a edizione)The National Cactus and Succulent Journal. British Cactus and Succulent Society.
Citatione MLA (8a ed.)The National Cactus and Succulent Journal. British Cactus and Succulent Society.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.