Sorenson, S. (2002). How to write research papers (Third edition.). Thomson/Arco.
Cita Chicago (17th ed.)Sorenson, Sharon. How to Write Research Papers. Third edition. Australia ; Lawrenceville, NJ: Thomson/Arco, 2002.
Cita MLA (8th ed.)Sorenson, Sharon. How to Write Research Papers. Third edition. Thomson/Arco, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.