Παραπομπή σε μορφή APA (7η εκδ.)

Union of European academies for science applied to agriculture, food and nature, Hera, C., Hoffmann, V., & Rivza, B. (2008). Renewable energy recources, production and technologies.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Union of European academies for science applied to agriculture, food and nature, Cristian Hera, Volker Hoffmann, και Baiba Rivza. Renewable Energy Recources, Production and Technologies. 2008.

Παραπομπή σε μορφή MLA (9th εκδ.)

Union of European academies for science applied to agriculture, food and nature, et al. Renewable Energy Recources, Production and Technologies. 2008.