APA
Holland C., . (2023). Introduction to Permaculture. Chennai: Kruger brentt publishers UK ltd.
Chicago
Holland Christopher, . 2023. Introduction to Permaculture. Chennai: Kruger brentt publishers UK ltd.
Harvard
Holland C., . (2023). Introduction to Permaculture. Chennai: Kruger brentt publishers UK ltd.
MLA
Holland Christopher, . Introduction to Permaculture. Chennai: Kruger brentt publishers UK ltd. 2023.