Association, 6. B. R. M. C. (1971). BRMCA guide. Ashford, Middl. : [s n].
Chicagoスタイル(17版)引用形式Association, 6449 British Ready Mixed Concrete. BRMCA Guide. Ashford, Middl. : [s n], 1971.
MLA(9版)引用形式Association, 6449 British Ready Mixed Concrete. BRMCA Guide. Ashford, Middl. : [s n], 1971.
警告: この引用は必ずしも正確ではありません.