Abramsky, S., & Coecke, B. (2005). Abstract Physical Traces.
Cita Chicago (17th ed.)Abramsky, S., i B. Coecke. Abstract Physical Traces. 2005.
Cita MLA (9th ed.)Abramsky, S., i B. Coecke. Abstract Physical Traces. 2005.
Atenció: Aquestes cites poden no estar 100% correctes.