Haardt, G., Audouin-Dubreuil, L., & Citroën, A. (1927). The black journey: Across Central Africa with the Citroën Expedition. Cosmopolitan Book Corporation.
Lua i Stíl Chicago (17ú heag.)Haardt, Georges-Marie, Louis Audouin-Dubreuil, agus André Citroën. The Black Journey: Across Central Africa with the Citroën Expedition. New York: Cosmopolitan Book Corporation, 1927.
Lua MLA (8ú heag.)Haardt, Georges-Marie, et al. The Black Journey: Across Central Africa with the Citroën Expedition. Cosmopolitan Book Corporation, 1927.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.