Schools Council Project Technology (Great Britain). (1972). Simple bridge structures. Heinemann Educational : Schools Council.
Chicago Style (17th ed.) CitationSchools Council Project Technology (Great Britain). Simple Bridge Structures. London: Heinemann Educational : Schools Council, 1972.
MLA (9th ed.) CitationSchools Council Project Technology (Great Britain). Simple Bridge Structures. Heinemann Educational : Schools Council, 1972.
Warning: These citations may not always be 100% accurate.