APA Style
Jespersen, Otto. (s.a.).
How to Teach a Foreign Language .
London:
Cornell University Library.
Chicago Style
Jespersen, Otto.
How to Teach a Foreign Language.
London:
Cornell University Library,
s.a..
Text.
MLA Style
Jespersen, Otto.
How to Teach a Foreign Language.
London:
Cornell University Library,
s.a..
Text.
Turabian Style
Jespersen, Otto.
How to Teach a Foreign Language.
London:
Cornell University Library,
s.a..
Print.