APA-referens (7:e uppl.)

Longford, N. T. Missing Data and Small-Area Estimation: Modern Analytical Equipment for the Survey Statistician (1st ed. 2005.). Springer London.

Chicago-referens (17:e uppl.)

Longford, Nicholas T. Missing Data and Small-Area Estimation: Modern Analytical Equipment for the Survey Statistician. 1st ed. 2005. London: Springer London.

MLA-referens (8:e uppl.)

Longford, Nicholas T. Missing Data and Small-Area Estimation: Modern Analytical Equipment for the Survey Statistician. 1st ed. 2005. Springer London.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.