APA (7e ed.) Bronvermelding

Mot Green & Wall, Building Services Cost Consultants and Value Engineers. Spon's mechanical and electrical services price book (34th ed.).

Chicago (17e ed.) Bronvermelding

Mot Green & Wall, Building Services Cost Consultants and Value Engineers. Spon's Mechanical and Electrical Services Price Book. 34th ed.

MLA (8e ed.) Bronvermelding

Mot Green & Wall, Building Services Cost Consultants and Value Engineers. Spon's Mechanical and Electrical Services Price Book. 34th ed.