Cita APA (7a ed.)

Bethlehem, J. G., & Keller, W. J. (1990). New technologies in computer assisted survey processing. EUSTAT.

Cita Chicago Style (17a ed.)

Bethlehem, Jelke G., y Wouter J. Keller. New Technologies in Computer Assisted Survey Processing. Vitoria-Gasteiz: EUSTAT, 1990.

Cita MLA (9a ed.)

Bethlehem, Jelke G., y Wouter J. Keller. New Technologies in Computer Assisted Survey Processing. EUSTAT, 1990.