Não informado. (1969). Plan. Institute of South African Architects.
Chicagoスタイル(17版)引用形式Não informado. Plan. Johannesburg, Africa do Sul: Institute of South African Architects, 1969.
MLA(8版)引用形式Não informado. Plan. Institute of South African Architects, 1969.
警告: この引用は必ずしも正確ではありません.