Lester, J. D. (1993). Writing research papers: A complete guide (7th ed.). Harper Collins.
Chicago Style (17th ed.) CitationLester, James D. Writing Research Papers: A Complete Guide. 7th ed. New York: Harper Collins, 1993.
ציטוט MLALester, James D. Writing Research Papers: A Complete Guide. 7th ed. Harper Collins, 1993.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.