Sperling. JoAnn. (1969). Job descriptions in marketing management. AMA, Inc.
Chicago Style (17th ed.) CitationSperling. JoAnn. Job Descriptions in Marketing Management. New York: AMA, Inc, 1969.
ציטוט MLASperling. JoAnn. Job Descriptions in Marketing Management. AMA, Inc, 1969.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.