APA

(1980). GUIDE TO THE USE OF INDEPENDENT CONSULTANTS FOR ENGINEERING SERVICES. : .

Chicago

1980. GUIDE TO THE USE OF INDEPENDENT CONSULTANTS FOR ENGINEERING SERVICES. : .

Harvard

(1980). GUIDE TO THE USE OF INDEPENDENT CONSULTANTS FOR ENGINEERING SERVICES. : .

MLA

GUIDE TO THE USE OF INDEPENDENT CONSULTANTS FOR ENGINEERING SERVICES. : . 1980.