एपीए उद्धरण

Mentrup, W. (1968). Rules of German Orthography. Bibliographisches Institut.

शिकागो स्टाइल उद्धरण

Mentrup, Wolfgang. Rules of German Orthography. Zurich: Bibliographisches Institut, 1968.

एमएलए उद्धरण

Mentrup, Wolfgang. Rules of German Orthography. Bibliographisches Institut, 1968.