Cita APA (7th ed.)
Oberholzer, H. (1974). Pioneers of early aviation in South Africa. Nasionale Museum.
Cita Chicago (17th ed.)
Oberholzer, Hannes. Pioneers of Early Aviation in South Africa. Bloemfontein: Nasionale Museum, 1974.
Cita MLA (9th ed.)
Oberholzer, Hannes. Pioneers of Early Aviation in South Africa. Nasionale Museum, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.