Tohutoro APA (7th ed.)
Hahlbrock, K., Skogley, D., & Wiegandt, K. (2009). Feeding the planet: Environmental protection through sustainable agriculture. Haus Publishing.
Tohutoru Kātū Chicago (17th ed.)
Hahlbrock, Klaus, David Skogley, me Klaus Wiegandt. Feeding the Planet: Environmental Protection Through Sustainable Agriculture. London, [England]: Haus Publishing, 2009.
Tohutoro MLA (9th ed.)
Hahlbrock, Klaus, et al. Feeding the Planet: Environmental Protection Through Sustainable Agriculture. Haus Publishing, 2009.
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