Παραπομπή σε μορφή APA (7η εκδ.)

Le, T. N., & Verma, V. K. (1997). An analysis of sample designs and sampling errors of the demographic and health surveys. Macro International.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Le, Thanh N., και Vijay K. Verma. An Analysis of Sample Designs and Sampling Errors of the Demographic and Health Surveys. Calverton, Md.: Macro International, 1997.

Παραπομπή σε μορφή MLA (8th εκδ.)

Le, Thanh N., και Vijay K. Verma. An Analysis of Sample Designs and Sampling Errors of the Demographic and Health Surveys. Macro International, 1997.