Παραπομπή σε μορφή APA (7η εκδ.)

Expert-center for Taxonomic Identification. (1994). Birds of Europe. Expert center for Taxonomic Identification, University of Amsterdam.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Expert-center for Taxonomic Identification. Birds of Europe. Amsterdam: Expert center for Taxonomic Identification, University of Amsterdam, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Expert-center for Taxonomic Identification. Birds of Europe. Expert center for Taxonomic Identification, University of Amsterdam, 1994.