Bhakar S S. (2011). Systematic Guide to Write a Research Paper. Excel Books.
Cita Chicago (17th ed.)Bhakar S S. Systematic Guide to Write a Research Paper. New Delhi: Excel Books, 2011.
Cita MLA (9th ed.)Bhakar S S. Systematic Guide to Write a Research Paper. Excel Books, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.