Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Matias, Á., Nijkamp, P., & Romão, J. (2016). Impact Assessment in Tourism Economics. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Álvaro Matias, Peter Nijkamp, και João Romão. Impact Assessment in Tourism Economics. Cham: Springer International Publishing : Imprint: Springer, 2016.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Impact Assessment in Tourism Economics. Springer International Publishing : Imprint: Springer, 2016.