Gaya APA
Ziegler, Reinhold. (1999).
Version 5 punkt 12 .
Germany:
Beltz and Gelberg.
Gaya Chicago
Ziegler, Reinhold.
Version 5 punkt 12.
Germany:
Beltz and Gelberg,
1999.
Text.
Gaya MLA
Ziegler, Reinhold.
Version 5 punkt 12.
Germany:
Beltz and Gelberg,
1999.
Text.
Gaya Turabian
Ziegler, Reinhold.
Version 5 punkt 12.
Germany:
Beltz and Gelberg,
1999.
Print.