Gaya APA
Kreyenfeld, M., Konietzka, D. (2017).
Childlessness in Europe: Contexts, Causes, and Consequences .
Cham:
Springer Open.
Gaya MLA
Kreyenfeld, Michaela., Konietzka, Dirk.
"Childlessness in Europe: Contexts, Causes, and Consequences".
Cham:
Springer Open,
2017.
E-book.