Παραπομπή σε μορφή APA (7η εκδ.)

Wanders, I. (1994). Variability and evolution of the broad-line region in active galactic nuclei. Uppsala University.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wanders, Ignaz. Variability and Evolution of the Broad-line Region in Active Galactic Nuclei. Uppsala, Sweden: Uppsala University, 1994.

Παραπομπή σε μορφή MLA (8th εκδ.)

Wanders, Ignaz. Variability and Evolution of the Broad-line Region in Active Galactic Nuclei. Uppsala University, 1994.