APA Style
Jespersen, Otto. (2010).
How to teach a foreign language .
Amerika Serikat:
Routledge.
Chicago Style
Jespersen, Otto.
How to teach a foreign language.
Amerika Serikat:
Routledge,
2010.
Text.
MLA Style
Jespersen, Otto.
How to teach a foreign language.
Amerika Serikat:
Routledge,
2010.
Text.
Turabian Style
Jespersen, Otto.
How to teach a foreign language.
Amerika Serikat:
Routledge,
2010.
Print.