APA Style
Ruwanto, Bambang. (2009).
Mengenal Bencana Alam : Tanah Longsor (2).
Yogyakarta:
Kanisius.
Chicago Style
Ruwanto, Bambang.
Mengenal Bencana Alam : Tanah Longsor.
2
Yogyakarta:
Kanisius,
2009.
Printed Book.
MLA Style
Ruwanto, Bambang.
Mengenal Bencana Alam : Tanah Longsor.
2
Yogyakarta:
Kanisius,
2009.
Printed Book.
Turabian Style
Ruwanto, Bambang.
Mengenal Bencana Alam : Tanah Longsor.
2
Yogyakarta:
Kanisius,
2009.
Printed Book.