Cita APA (7a ed.)

Nathan, G. (1990). Evaluation of questionnaire design effects. EUSTAT.

Cita Chicago Style (17a ed.)

Nathan, Gad. Evaluation of Questionnaire Design Effects. Vitoria-Gasteiz: EUSTAT, 1990.

Cita MLA (9a ed.)

Nathan, Gad. Evaluation of Questionnaire Design Effects. EUSTAT, 1990.