Cita APA (7th ed.)

Bommel, W. J. v., & Boer, J. B. d. (1980). Road lighting. Kluwer.

Cita Chicago (17th ed.)

Bommel, W. J von, i J. B. de Boer. Road Lighting. Deventer: Kluwer, 1980.

Cita MLA (9th ed.)

Bommel, W. J von, i J. B. de Boer. Road Lighting. Kluwer, 1980.