Lillyman, G. M. (1976). Building industry reference specification, 1976. Murray.
Cita Chicago (17th ed.)Lillyman, George M. Building Industry Reference Specification, 1976. Sydney: Murray, 1976.
Cita MLA (8th ed.)Lillyman, George M. Building Industry Reference Specification, 1976. Murray, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.