Cummings, P. It All Matters. Wiley.
Cita Chicago (17th ed.)Cummings, Paul. It All Matters. Wiley.
Cita MLA (9th ed.)Cummings, Paul. It All Matters. Wiley.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)