APA引文

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

Chicago Edition Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.