Não informado. South African industrial chemist. Thomson Publication.
Chicagoスタイル(17版)引用形式Não informado. South African Industrial Chemist. Johannesburg, Africa do Sul: Thomson Publication.
MLA(8版)引用形式Não informado. South African Industrial Chemist. Thomson Publication.
警告: この引用は必ずしも正確ではありません.