Cita APA (7a ed.)

Commission of the European Communities. Directorate-General for Energy, Gillett, W. B., Hacker, R. J., & Kaut, W. (1989). Photovoltaic demonstration projects 2. Elsevier Applied Science.

Cita Chicago Style (17a ed.)

Commission of the European Communities. Directorate-General for Energy, W. B. Gillett, R. J. Hacker, y W. Kaut. Photovoltaic Demonstration Projects 2. London: Elsevier Applied Science, 1989.

Cita MLA (9a ed.)

Commission of the European Communities. Directorate-General for Energy, et al. Photovoltaic Demonstration Projects 2. Elsevier Applied Science, 1989.