APA (7. basım) Alıntı

Flieger, W. Economic demography and the future of demography. s.n.

Chicago Style (17. basım) Atıf

Flieger, Wilhelm. Economic Demography and the Future of Demography. [S.l: s.n.

MLA (9th ed.) Atıf

Flieger, Wilhelm. Economic Demography and the Future of Demography. s.n.