Kotler, P. (1994). Principles of marketing / Philip Kotler, Gary Armstrong (6th ed.). Prentice-Hall.
Chicago Style (17th ed.) CitationKotler, Philip. Principles of Marketing / Philip Kotler, Gary Armstrong. 6th ed. Englewood Cliffs: Prentice-Hall, 1994.
ציטוט MLAKotler, Philip. Principles of Marketing / Philip Kotler, Gary Armstrong. 6th ed. Prentice-Hall, 1994.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.