Buchholz, Andreas
What makes winning brands different: the hidden method behind the world`s most successful brands
John Wiley & Sons, 2000
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Rangkuti, Freddy
The power of brands : teknik mengelola brand equity dan strategi pengembangan merek + analisis kasus dengan SPSS
Gramedia Putaka Utama, 2002
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Oskamp, Stuart
Attitudes and opinions
Lawrence Erlbaum , 2005
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Maio, Gregory R.
The psychology of attitudes and attitude change
SAGE Publications, 2019
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Maio, Gregory R.
The psychology of attitudes and attitude change
Sage, 2015
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