APA način citiranja

Petrova-Koch, V., Hezel, R., & Goetzberger, A. (2020). High-Efficient Low-Cost Photovoltaics. Springer International Publishing.

Čikaški stil citiranja

Petrova-Koch, Vesselinka, Rudolf Hezel, i Adolf Goetzberger. High-Efficient Low-Cost Photovoltaics. Springer International Publishing, 2020.

MLA način citiranja

Petrova-Koch, Vesselinka, Rudolf Hezel, i Adolf Goetzberger. High-Efficient Low-Cost Photovoltaics. Springer International Publishing, 2020.