Παραπομπή σε μορφή APA (7η εκδ.)

(1991). MFDBS 91: 3rd Symposium on Mathematical Fundamentals of Database and Knowledge Base Systems, Rostock, Germany, May 6-9, 1991 : proceedings / B. Thalheim, J. Demetrovics, H.-D. Gerhardt (eds.).

Παραπομπή σε μορφή Chicago (17η εκδ.)

MFDBS 91: 3rd Symposium on Mathematical Fundamentals of Database and Knowledge Base Systems, Rostock, Germany, May 6-9, 1991 : Proceedings / B. Thalheim, J. Demetrovics, H.-D. Gerhardt (eds.). 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

MFDBS 91: 3rd Symposium on Mathematical Fundamentals of Database and Knowledge Base Systems, Rostock, Germany, May 6-9, 1991 : Proceedings / B. Thalheim, J. Demetrovics, H.-D. Gerhardt (eds.). 1991.