Penggayaan APA
RUMBLE, Greville. (1997).
The costs and economics of open and distance learning .
London:
Kogan Page.
Chicago Style
RUMBLE, Greville.
The costs and economics of open and distance learning.
London:
Kogan Page,
1997.
Buku.
MLA Style
RUMBLE, Greville.
The costs and economics of open and distance learning.
London:
Kogan Page,
1997.
Buku.
Turabian Style
RUMBLE, Greville.
The costs and economics of open and distance learning.
London:
Kogan Page,
1997.
Buku.