APA Style
Spyri, Johanna. (2009).
Heidi .
Jakarta:
PT Bentang Pustaka.
Chicago Style
Spyri, Johanna.
Heidi.
Jakarta:
PT Bentang Pustaka,
2009.
Book.
MLA Style
Spyri, Johanna.
Heidi.
Jakarta:
PT Bentang Pustaka,
2009.
Book.
Turabian Style
Spyri, Johanna.
Heidi.
Jakarta:
PT Bentang Pustaka,
2009.
Book.