Cita APA (7th ed.)

Grotjahn, R. (2014). Der C-test: Aktuelle tendenzen (Peter Lang edition.). Peter Lang Edition.

Cita Chicago (17th ed.)

Grotjahn, Rüdiger. Der C-test: Aktuelle Tendenzen. Peter Lang edition. Frankfurt am Main, [Germany]: Peter Lang Edition, 2014.

Cita MLA (9th ed.)

Grotjahn, Rüdiger. Der C-test: Aktuelle Tendenzen. Peter Lang edition. Peter Lang Edition, 2014.