Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Warning: These citations may not always be 100% accurate.