APA aipamena

Robert Greene. (2013). New era of green business: Issues and challenges. Cybertech publications.

Chicago Style aipamena

Robert Greene. New Era of Green Business: Issues and Challenges. New Delhi: Cybertech publications, 2013.

MLA aipamena

Robert Greene. New Era of Green Business: Issues and Challenges. Cybertech publications, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.