Gaya APA
Cordell, D, D. (1985).
Dar al-Kuti and the last years of the trans-Saharan slave trade. .
Madison:
Madison Wisconsin UP.
Gaya MLA
Cordell, Dennis, D..
"Dar al-Kuti and the last years of the trans-Saharan slave trade. ".
Madison:
Madison Wisconsin UP,
1985.
Buku.