Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gustafsson, Siv, και Adriaan Kalwij. Education and Postponement of Maternity: Economic Analyses for Industrialized Countries. Dordrecht: Springer, 2006.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gustafsson, Siv, και Adriaan Kalwij. Education and Postponement of Maternity: Economic Analyses for Industrialized Countries. Springer, 2006.