(1979). Block [7] modelling relationships in data. Open University Press.
Chicago Edition CitationBlock [7] Modelling Relationships in Data. Walton Hall: Open University Press, 1979.
ציטוט MLABlock [7] Modelling Relationships in Data. Open University Press, 1979.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.