Não informado. South African cancer bulletin. National Cancer Association of South Africa.
Chicagoスタイル(17版)引用形式Não informado. South African Cancer Bulletin. Johannesburg, Africa do Sul: National Cancer Association of South Africa.
MLA(8版)引用形式Não informado. South African Cancer Bulletin. National Cancer Association of South Africa.
警告: この引用は必ずしも正確ではありません.