Cita APA (7th ed.)

Wessels, G. (2009). Bangkok 21: Towards a world-class transit oriented metropolis. GTZ German Technical Cooperation GmbH.

Cita Chicago (17th ed.)

Wessels, Gregor. Bangkok 21: Towards a World-class Transit Oriented Metropolis. Bangkok, Thailand: GTZ German Technical Cooperation GmbH, 2009.

Cita MLA (9th ed.)

Wessels, Gregor. Bangkok 21: Towards a World-class Transit Oriented Metropolis. GTZ German Technical Cooperation GmbH, 2009.