Vlasblom, V. (2002). Face to face.
Cita Chicago (17th ed.)Vlasblom, Vincent. Face to Face. Benningbroek, 2002.
Cita MLA (8th ed.)Vlasblom, Vincent. Face to Face. 2002.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)