Παραπομπή σε μορφή APA (7η εκδ.)

Maratka, Z., & Setka, J. (1969). Endoscopy of the digestive system: Proceedings...of the 1st European Congress of Digestive Endoscopy, Prague, July 5-6, 1968. S. Karger.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Maratka, Z., και J. Setka. Endoscopy of the Digestive System: Proceedings...of the 1st European Congress of Digestive Endoscopy, Prague, July 5-6, 1968. Basel: S. Karger, 1969.

Παραπομπή σε μορφή MLA (8th εκδ.)

Maratka, Z., και J. Setka. Endoscopy of the Digestive System: Proceedings...of the 1st European Congress of Digestive Endoscopy, Prague, July 5-6, 1968. S. Karger, 1969.