Citazione Stile APA (7a Edizione)

Harrison, R. S. (1982). Practicalities of computer assisted estimating. Chartered Institute of Building.

Citazione stile Chigago Style (17a edizione)

Harrison, R. S. Practicalities of Computer Assisted Estimating. Ascot: Chartered Institute of Building, 1982.

Citatione MLA (9a ed.)

Harrison, R. S. Practicalities of Computer Assisted Estimating. Chartered Institute of Building, 1982.