Παραπομπή APA

Bilsborrow, R. E. (1984). Migration surveys in low income countries: Guidelines for survey and questionnaire design.

Παραπομπή Chicago Style

Bilsborrow, Richard E. Migration Surveys in Low Income Countries: Guidelines for Survey and Questionnaire Design. Croom Helm, London, 1984.

Παραπομπή MLA

Bilsborrow, Richard E. Migration Surveys in Low Income Countries: Guidelines for Survey and Questionnaire Design. 1984.