Labovitz,Sanford. (1976). Introduction to social research (2.). Mc Graw Hill Book Company.
Chicago Edition CitationLabovitz,Sanford. Introduction to Social Research. 2. New York: Mc Graw Hill Book Company, 1976.
ציטוט MLALabovitz,Sanford. Introduction to Social Research. 2. Mc Graw Hill Book Company, 1976.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.