Beins, B. C. (2019). Research Methods (4th.). Cambridge University Press.
Chicago Style (17th ed.) CitationBeins, Bernard C. Research Methods. 4th. Cambridge University Press, 2019.
ציטוט MLABeins, Bernard C. Research Methods. 4th. Cambridge University Press, 2019.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.