Bohra C. S. & Jina B. S. (2016). Objective Environmental Studies with Glossary. Daya Publishing House.
Cita Chicago (17th ed.)Bohra C. S. i Jina B. S. Objective Environmental Studies with Glossary. New Delhi: Daya Publishing House, 2016.
Cita MLA (9th ed.)Bohra C. S. i Jina B. S. Objective Environmental Studies with Glossary. Daya Publishing House, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.