Kogan, I. S. (1973). Modern business: Public relations. Alexander Hamilton Institute.
Chicago Edition CitationKogan, Irving Smith. Modern Business: Public Relations. New York: Alexander Hamilton Institute, 1973.
ציטוט MLAKogan, Irving Smith. Modern Business: Public Relations. Alexander Hamilton Institute, 1973.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.