Penggayaan APA
Willis, R.G., Boothroyd, C., Briggs, N.. (1984).
The Caves of Gunung Sewu, Java .
:
British Cave Research Association.
Chicago Style
Willis, R.G., Boothroyd, C., Briggs, N..
The Caves of Gunung Sewu, Java.
:
British Cave Research Association,
1984.
Text.
MLA Style
Willis, R.G., Boothroyd, C., Briggs, N..
The Caves of Gunung Sewu, Java.
:
British Cave Research Association,
1984.
Text.
Turabian Style
Willis, R.G., Boothroyd, C., Briggs, N..
The Caves of Gunung Sewu, Java.
:
British Cave Research Association,
1984.
Print.