APA (7e ed.) Bronvermelding

Engineers, A. A. o. C. (1987). Mechanical Estimating Guidebook For Building Construction Editor John Gladstone, Kenneth K. Humpreys. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Engineers, American Association of Cost. Mechanical Estimating Guidebook For Building Construction Editor John Gladstone, Kenneth K. Humpreys. McGraw-Hill, 1987.

MLA (8e ed.) Bronvermelding

Engineers, American Association of Cost. Mechanical Estimating Guidebook For Building Construction Editor John Gladstone, Kenneth K. Humpreys. McGraw-Hill, 1987.