Arretx, C. G., & Somoza, J. L. (1973). Survey methods, based on periodically repeated interviews, aimed at determining demographic rates. International Program of Laboratories for Population Statistics, Dept. of Statistics, Carolina Population Center, University of North Carolina.
Cytowanie według stylu Chicago (wyd. 17)Arretx, Carmen G., i Jorge L. Somoza. Survey Methods, Based on Periodically Repeated Interviews, Aimed at Determining Demographic Rates. Chapel Hill, N.C: International Program of Laboratories for Population Statistics, Dept. of Statistics, Carolina Population Center, University of North Carolina, 1973.
Cytowanie według stylu MLA (wyd. 9)Arretx, Carmen G., i Jorge L. Somoza. Survey Methods, Based on Periodically Repeated Interviews, Aimed at Determining Demographic Rates. International Program of Laboratories for Population Statistics, Dept. of Statistics, Carolina Population Center, University of North Carolina, 1973.