एपीए उद्धरण

Apt, W. (2020). Germany's New Security Demographics. Springer Netherlands.

शिकागो स्टाइल उद्धरण

Apt, Wenke. Germany's New Security Demographics. Springer Netherlands, 2020.

एमएलए उद्धरण

Apt, Wenke. Germany's New Security Demographics. Springer Netherlands, 2020.