Eagly, Alice H.1967. "Involvement as a Determinant of Response to Favorable and Unfavorable Information." Journal of Personality and Social Psychology7 (November) 1-15.
2.
Maile, C.A. and Kizilbash, A.H.1977. "A Communications Model for Marketing Decisions." Journal of the Academy of Marketing Science5 (Winter, Spring) 48-56.
3.
Maile, C.A. and Kizilbash, A.H.1977. "A Marketing Communications Model." Business Horizons20 (November) 77-84.
4.
McCroskey, James C.1966. "Scales for the Measurement of Ethos." Speech Monograph33 (March) 65-74.