ISI Directory 2003: Featuring Members of the International Statistical Institute, Bernoulli Society (BS), International Association for Statistical Computing (IASC), International Association for Statistical Education (IASE), International Association for Official Statistics (IAOS) ; International Association of Survey Statisticians (IASS). 2003.
Chicago (17e ed.) BronvermeldingISI Directory 2003: Featuring Members of the International Statistical Institute, Bernoulli Society (BS), International Association for Statistical Computing (IASC), International Association for Statistical Education (IASE), International Association for Official Statistics (IAOS) ; International Association of Survey Statisticians (IASS). Voorburg: 2003.
MLA (8e ed.) BronvermeldingISI Directory 2003: Featuring Members of the International Statistical Institute, Bernoulli Society (BS), International Association for Statistical Computing (IASC), International Association for Statistical Education (IASE), International Association for Official Statistics (IAOS) ; International Association of Survey Statisticians (IASS). 2003.