Kotler, P. (1984). Marketing essentials. Prentice-Hall.
Chicago Style (17th ed.) CitationKotler, Philip. Marketing Essentials. .Englewood Cliffs, N.J: Prentice-Hall, 1984.
ציטוט MLAKotler, Philip. Marketing Essentials. Prentice-Hall, 1984.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.