Cita APA (7th ed.)
Gunningham, N., & Sinclair, D. (2002). Leaders & laggards: Next-generation environmental regulation. Greenleaf Pub..
Cita Chicago (17th ed.)
Gunningham, Neil, i Darren Sinclair. Leaders & Laggards: Next-generation Environmental Regulation. Sheffield: Greenleaf Pub., 2002.
Cita MLA (9th ed.)
Gunningham, Neil, i Darren Sinclair. Leaders & Laggards: Next-generation Environmental Regulation. Greenleaf Pub., 2002.
Atenció: Aquestes cites poden no estar 100% correctes.