Perception & Quels, T. (2000). af019130: Tels Quels Service social.
Cita Chicago (17th ed.)Perception i Tels Quels. Af019130: Tels Quels Service Social. 2000.
Cita MLA (8th ed.)Perception i Tels Quels. Af019130: Tels Quels Service Social. 2000.
Atenció: Aquestes cites poden no estar 100% correctes.