Gaya APA
Robbinette,Scott, ., Brand, C. (2001).
Emotion Marketing : The Hallmark Way of Winning Customers for life .
New York:
Mc Graw Hill.
Gaya MLA
Robbinette,Scott, ., Brand, Claire.
"Emotion Marketing : The Hallmark Way of Winning Customers for life".
New York:
Mc Graw Hill,
2001.
Buku.