Cita APA (7th ed.)

SpringerLink (Online service), Kalwij, A., & Gustafsson, S. Education and postponement of maternity: Economic analyses for industrialized countries.

Cita Chicago (17th ed.)

SpringerLink (Online service), Adriaan Kalwij, i Siv Gustafsson. Education and Postponement of Maternity: Economic Analyses for Industrialized Countries.

Cita MLA (8th ed.)

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