(2004). A guarantee of guality. Bonn, BHF, [2004].
Cita Chicago (17th ed.)A Guarantee of Guality. Bonn, BHF, [2004], 2004.
Cita MLA (9th ed.)A Guarantee of Guality. Bonn, BHF, [2004], 2004.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)