Não informado. (1927). The Journal of the Medical Association of South Africa. Medical Association of South Africa.
Chicago-Zitierstil (17. Ausg.)Não informado. The Journal of the Medical Association of South Africa. Cape Town, Africa do Sul: Medical Association of South Africa, 1927.
MLA-Zitierstil (8. Ausg.)Não informado. The Journal of the Medical Association of South Africa. Medical Association of South Africa, 1927.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.