Não informado. Association of Engineering Geologists newsletter. Association of Engineering Geologists.
Čikaški stil citiranja (17. izdanje)Não informado. Association of Engineering Geologists Newsletter. Lawrence, Kan: Association of Engineering Geologists.
MLA način citiranja (8. izdanje)Não informado. Association of Engineering Geologists Newsletter. Association of Engineering Geologists.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.