Cita APA (7th ed.)

Personal Quarterly. Haufe-Lexware GmbH & Co.KG.

Cita Chicago (17th ed.)

Personal Quarterly. Haufe-Lexware GmbH & Co.KG.

Cita MLA (8th ed.)

Personal Quarterly. Haufe-Lexware GmbH & Co.KG.

Atenció: Aquestes cites poden no estar 100% correctes.