APA

Hassan K., Elghali L. & Sowerby C. (2004). Development of new materials for secondary and recycled aggregates in highway infrastructure. Crowthorne: TRL Limited.

Chicago

Hassan KE, Elghali L and Sowerby CR. 2004. Development of new materials for secondary and recycled aggregates in highway infrastructure. Crowthorne: TRL Limited.

Harvard

Hassan K., Elghali L. and Sowerby C. (2004). Development of new materials for secondary and recycled aggregates in highway infrastructure. Crowthorne: TRL Limited.

MLA

Hassan KE, Elghali L and Sowerby CR. Development of new materials for secondary and recycled aggregates in highway infrastructure. Crowthorne: TRL Limited. 2004.