The Leading Edge
The Society of Exploration Geophysicists,
 Majalah, Jurnal, Buletin
SEG Annual report : The leading edge
Tahunan
 Majalah, Jurnal, Buletin
Perkins, Dennis N.T., 1953-
Leading at the edge : leadership Lessons from the extraordinary saga of Shackleton's Antarctic expedition
Amacom, 2012
 Buku Teks
Perkins, Dennis
Leading at the edge: leadership lessons from the extraordinary Saga of Shackleton's Antartic expedition
Amacom, 2012
 Buku Teks
Perkins, Dennis N.T.
Leading at the edge: leadership lessons from the extraordinary saga of Shackleton's Antarctic expedition
[American Management Association, ], 2000
 eBooks