APA (7th ed.) Zitazioa
Gunningham, N., & Sinclair, D. (2002). Leaders & laggards: Next-generation environmental regulation. Greenleaf Pub..
Chicago Style (17th ed.) Zitazioa
Gunningham, Neil, eta Darren Sinclair. Leaders & Laggards: Next-generation Environmental Regulation. Sheffield: Greenleaf Pub., 2002.
MLA (9th ed.) Zitazioa
Gunningham, Neil, eta Darren Sinclair. Leaders & Laggards: Next-generation Environmental Regulation. Greenleaf Pub., 2002.
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