Sebranek, P. (1999). Write source 2000: A guide to writing, thinking and learning. Write Source Educational Publishing House.
Cita Chicago (17th ed.)Sebranek, Patrick. Write Source 2000: A Guide to Writing, Thinking and Learning. Wilmington, Mass: Write Source Educational Publishing House, 1999.
Cita MLA (9th ed.)Sebranek, Patrick. Write Source 2000: A Guide to Writing, Thinking and Learning. Write Source Educational Publishing House, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.