Gaya APA
W., C, K., Wharton, S. (2009).
How to Feel Great about Yourself: Jadikan Diri Anda Luar Biasa:: High-Vibrational Thinking .
Yogyakarta:
Kanisius.
Gaya MLA
W., C., Krismariana., Wharton, Steve.
"How to Feel Great about Yourself: Jadikan Diri Anda Luar Biasa:: High-Vibrational Thinking".
Yogyakarta:
Kanisius,
2009.
Karya Cetak.