Cole, Brent
How to win friends and influence people in the digital age
Simon & Schuster, 2011
 Buku Teks
Arden, Paul
It's not how good you are, it's how good you want to be
Phaidon, 2003
 Buku Teks
Arden, Paul
Its not how good you are, its how good you want to be : the world's best-selling book
Phaidon, 2003
 Buku Teks
McKnight-Trontz, Jennifer
Tips menjadi popoler: How to be popular: everything you need to know, and more!
Torrent Books, 2004
 Buku Teks
Heskell, Peta
Menjadi pribadi gaul : kiat sukses menjalin hubngan pertemanan, asmara dan profesionalisme = Flirt coach : How to flirt for riendship, love and professional success / Peta Heskell ; penerjemah, Bagaskara PJ ; penyunting, Rahajeng Desy N.R
Torrent, 2004
 Buku Teks