Gaya APA
Kreyenfeld, M., Konietzka, D. (2017).
Childlessness in Europe: Contexts, Causes, and Consequences (1st ed.).
Cham:
Springer.
Gaya MLA
Kreyenfeld, Michaela.., Konietzka, Dirk..
"Childlessness in Europe: Contexts, Causes, and Consequences".
1st ed.
Cham:
Springer,
2017.
E Book.