The Science of Influence > Editions
by Brian Tracy
Published February 11th 2019
by G&D Media
Kindle Edition, 186 pages
Published February 11th 2019
by G&D Media
Hardcover, 192 pages
Published March 1st 2021
by Gildan Audio and Blackstone Publishing
Unabridged, Audio CD, 1 page
Published April 30th 2019
by Ascent Audio
Audible Audio
Published March 1st 2021
by Gildan Audio and Blackstone Publishing
Unabridged, Audio CD, 1 page
Published April 30th 2019
by Gildan Media Corporation
Unabridged, Audio CD, 0 pages






