Cita APA (7th ed.)

Perraton, H. D. (2000). Open and distance learning in the developing world. Routledge.

Cita Chicago (17th ed.)

Perraton, H. D. Open and Distance Learning in the Developing World. London: Routledge, 2000.

Cita MLA (9th ed.)

Perraton, H. D. Open and Distance Learning in the Developing World. Routledge, 2000.