Smith, P. J. (2005). Statistical methodology of the national immunization survey, 1994-2002: Data evaluation and methods research. National Center for Health Statistics.
Citazione stile Chigago Style (17a edizione)Smith, Philip J. Statistical Methodology of the National Immunization Survey, 1994-2002: Data Evaluation and Methods Research. Hyatteville, MD: National Center for Health Statistics, 2005.
Citatione MLA (9a ed.)Smith, Philip J. Statistical Methodology of the National Immunization Survey, 1994-2002: Data Evaluation and Methods Research. National Center for Health Statistics, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.