Cita APA (7th ed.)
Schulz, P. (2003). Factivity: Its nature and acquisition. Max Niemeyer.
Cita Chicago (17th ed.)
Schulz, Petra. Factivity: Its Nature and Acquisition. Tb̈ingen: Max Niemeyer, 2003.
Cita MLA (9th ed.)
Schulz, Petra. Factivity: Its Nature and Acquisition. Max Niemeyer, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.