Παραπομπή APA

Hans Singer, Neelamnar Hatti, & Rameshwar Tandon. (2003). Trade and environment: Recent controversies Vol.21(Part-1). B R Publishing.

Παραπομπή Chicago Style

Hans Singer, Neelamnar Hatti, και Rameshwar Tandon. Trade and Environment: Recent Controversies Vol.21(Part-1). Delhi: B R Publishing, 2003.

Παραπομπή MLA

Hans Singer, et al. Trade and Environment: Recent Controversies Vol.21(Part-1). B R Publishing, 2003.