Cita APA

Bleek, W., & Mertens, L. (1994). Bibliographie der geheimen DDR-Dissertationen: = Bibliography of secret dissertations in the German Democratic Republic. Saur.

Citación estilo Chicago

Bleek, Wilhelm, y Lothar Mertens. Bibliographie Der Geheimen DDR-Dissertationen: = Bibliography of Secret Dissertations in the German Democratic Republic. München [u.a.]: Saur, 1994.

Cita MLA

Bleek, Wilhelm, y Lothar Mertens. Bibliographie Der Geheimen DDR-Dissertationen: = Bibliography of Secret Dissertations in the German Democratic Republic. Saur, 1994.