Hellberg, C. (1979). A voice of the voiceless: The involvement of the Lutheran World Federation in Southern Africa 1947 - 1977. Studia missionalia Uppsaliensia.
Chicago Style (17th ed.) CitationHellberg, Carl-Johan. "A Voice of the Voiceless: The Involvement of the Lutheran World Federation in Southern Africa 1947 - 1977." Studia Missionalia Uppsaliensia 1979.
MLA (8th ed.) CitationHellberg, Carl-Johan. "A Voice of the Voiceless: The Involvement of the Lutheran World Federation in Southern Africa 1947 - 1977." Studia Missionalia Uppsaliensia, 1979.
Warning: These citations may not always be 100% accurate.