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.