APA ציטוט

Armstead, H. C. H. Geothermal enrgy reviewof research and development. UNESCO.

Chicago Style (17th ed.) Citation

Armstead, H. Christopher H. Geothermal Enrgy Reviewof Research and Development. UNESCO.

ציטוט MLA

Armstead, H. Christopher H. Geothermal Enrgy Reviewof Research and Development. UNESCO.