Gaya APA
Haneberg, L, H, L. (2007).
Two weeks to a breakthrough : how to zoom toward your goal in days or less.-- (Ed. 1st.--).
San Fransisco:
John Wiley & Sons.
Gaya MLA
Haneberg, Lisa., Haneberg,, Lisa..
"Two weeks to a breakthrough : how to zoom toward your goal in days or less.--".
Ed. 1st.--
San Fransisco:
John Wiley & Sons,
2007.
Buku.