APA-viite

(1993). Civil and environmental engineering test equipment: ELE National. USA: ELE International Ltd.

Chicago-tyylinen lähdeviittaus

Civil and Environmental Engineering Test Equipment: ELE National. USA: ELE International Ltd, 1993.

MLA-viite

Civil and Environmental Engineering Test Equipment: ELE National. USA: ELE International Ltd, 1993.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.