APA引文

Holmgren, D. (2002). Permaculture: Principles and pathways beyond sustainability. Holmgren design services.

Chicago Style (17th ed.) Citation

Holmgren, David. Permaculture: Principles and Pathways Beyond Sustainability. Victoria: Holmgren design services, 2002.

MLA引文

Holmgren, David. Permaculture: Principles and Pathways Beyond Sustainability. Holmgren design services, 2002.

警告：這些引文格式不一定是100％准確.