Heintze, B. (1987). Written Sources, Oral Traditions and Oral Traditions as Written Sources: The Steep and Thorny Way to Early Angolan History.
Chicago-Zitierstil (17. Ausg.)Heintze, Beatrix. Written Sources, Oral Traditions and Oral Traditions as Written Sources: The Steep and Thorny Way to Early Angolan History. 1987.
MLA-Zitierstil (9. Ausg.)Heintze, Beatrix. Written Sources, Oral Traditions and Oral Traditions as Written Sources: The Steep and Thorny Way to Early Angolan History. 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.