APA (7e ed.) Bronvermelding

Rumble, G. The costs and economics of open and distance learning.

Chicago (17e ed.) Bronvermelding

Rumble, Greville. The Costs and Economics of Open and Distance Learning.

MLA (8e ed.) Bronvermelding

Rumble, Greville. The Costs and Economics of Open and Distance Learning.

Let op: Deze citaties zijn niet altijd 100% accuraat.