Παραπομπή σε μορφή APA (7η εκδ.)

Gherardi, F., & Holdich, D. M. (1999). Crayfish in Europe as alien species: How to make the best of a bad situation. Balkema : Brookfield.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gherardi, Francesca, και D. M. Holdich. Crayfish in Europe as Alien Species: How to Make the Best of a Bad Situation. Rotterdam: Balkema : Brookfield, 1999.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gherardi, Francesca, και D. M. Holdich. Crayfish in Europe as Alien Species: How to Make the Best of a Bad Situation. Balkema : Brookfield, 1999.