Παραπομπή APA

Colclough, J. R. (1965). Construction industry of Great Britain. Butterworths.

Παραπομπή Chicago Style

Colclough, J R. Construction Industry of Great Britain. London: Butterworths, 1965.

Παραπομπή MLA

Colclough, J R. Construction Industry of Great Britain. Butterworths, 1965.