Atta-Mills, John; Alder, Jackie; Rashid Sumaila, Ussif (2004). “The decline of a regional fishing nation: The case of Ghana and West Africa”. Natural Resources Forum28 (1): 13–21. Bibcode: 2004NRF....28...13A. doi:10.1111/j.0165-0203.2004.00068.x.
harvard.edu
ui.adsabs.harvard.edu
Atta-Mills, John; Alder, Jackie; Rashid Sumaila, Ussif (2004). “The decline of a regional fishing nation: The case of Ghana and West Africa”. Natural Resources Forum28 (1): 13–21. Bibcode: 2004NRF....28...13A. doi:10.1111/j.0165-0203.2004.00068.x.
idrc.ca
“Misc – News”. Idrc.ca. 23 May 2013時点のオリジナルよりアーカイブ。23 May 2013閲覧。