APA-viite (7. p.)
Chen, Y. (2004). Promotion of renewable energy globally: Based on Johannesburg follow-up. Nordic Council of Ministers.
Chicago-viite (17. p.)
Chen, Youn. Promotion of Renewable Energy Globally: Based on Johannesburg Follow-up. Copenhagen: Nordic Council of Ministers, 2004.
MLA-viite (9. p.)
Chen, Youn. Promotion of Renewable Energy Globally: Based on Johannesburg Follow-up. Nordic Council of Ministers, 2004.
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