Cita APA (7th ed.)

Cement and Concrete Association of Australia. (1974). The safety shape. Cement and Concrete Association of Australia.

Cita Chicago (17th ed.)

Cement and Concrete Association of Australia. The Safety Shape. [Sydney]: Cement and Concrete Association of Australia, 1974.

Cita MLA (8th ed.)

Cement and Concrete Association of Australia. The Safety Shape. Cement and Concrete Association of Australia, 1974.

Atenció: Aquestes cites poden no estar 100% correctes.