APA Style
Sarwono, Aylawati. (2007).
Danau Toba: The Beautiful Lake .
Jakarta:
PT Elex Media Komputindo.
Chicago Style
Sarwono, Aylawati.
Danau Toba: The Beautiful Lake.
Jakarta:
PT Elex Media Komputindo,
2007.
Printed Book.
MLA Style
Sarwono, Aylawati.
Danau Toba: The Beautiful Lake.
Jakarta:
PT Elex Media Komputindo,
2007.
Printed Book.
Turabian Style
Sarwono, Aylawati.
Danau Toba: The Beautiful Lake.
Jakarta:
PT Elex Media Komputindo,
2007.
Printed Book.