Cita APA (7a ed.)

Maassen, G. H., & Landsheer, J. A. (2000). Peer-perceived social competence and academic achievement of low-level educated young adolescents. [s.n.].

Cita Chicago Style (17a ed.)

Maassen, Garard H., y Johannes A. Landsheer. Peer-perceived Social Competence and Academic Achievement of Low-level Educated Young Adolescents. [S.l.]: [s.n.], 2000.

Cita MLA (9a ed.)

Maassen, Garard H., y Johannes A. Landsheer. Peer-perceived Social Competence and Academic Achievement of Low-level Educated Young Adolescents. [s.n.], 2000.