Engineering Equipment Users Association, Design Council, & Watts, P. (1980). A Guide to the preparation of engineering specifications. Design Council.
Citazione stile Chigago Style (17a edizione)Engineering Equipment Users Association, Design Council, e Peter Watts. A Guide to the Preparation of Engineering Specifications. London: Design Council, 1980.
Citatione MLA (9a ed.)Engineering Equipment Users Association, et al. A Guide to the Preparation of Engineering Specifications. Design Council, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.