Cita APA (7th ed.)

Simmons Tim & Department of Chemistry, U. U. Petrochemical flows in IEA/eurostat energy statistics.

Cita Chicago (17th ed.)

Simmons Tim i Utrecht University Department of Chemistry. Petrochemical Flows in IEA/eurostat Energy Statistics.

Cita MLA (9th ed.)

Simmons Tim i Utrecht University Department of Chemistry. Petrochemical Flows in IEA/eurostat Energy Statistics.

Atenció: Aquestes cites poden no estar 100% correctes.