Gaya APA

Andreas, S., Faulkner, C. (2008). NLP-the new technology of achievement : cara baru mengoptimalkan keberhasilan . Gorontalo: Baca Buku.

Gaya MLA

Andreas, Steve., Faulkner, Charles. "NLP-the new technology of achievement : cara baru mengoptimalkan keberhasilan". Gorontalo: Baca Buku, 2008. Text.