APA ציטוט

Purvis,Martin, & Grainger,Alan. (2005). Exploring sustainable development: Geographical perspectives. Earthscan.

Chicago Edition Citation

Purvis,Martin, and Grainger,Alan. Exploring Sustainable Development: Geographical Perspectives. London: Earthscan, 2005.

ציטוט MLA

Purvis,Martin, and Grainger,Alan. Exploring Sustainable Development: Geographical Perspectives. Earthscan, 2005.