Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Gustafsson, S., & Kalwij, A. (2006). Education and Postponement of Maternity: Economic Analyses for Industrialized Countries. Springer Netherlands.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Siv Gustafsson, και Adriaan Kalwij. Education and Postponement of Maternity: Economic Analyses for Industrialized Countries. Dordrecht: Springer Netherlands, 2006.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Education and Postponement of Maternity: Economic Analyses for Industrialized Countries. Springer Netherlands, 2006.