(2012). Journal of Profesional Issues in Engineering Education & Pratice Volume 138 January No. 01 s/d Oktober No. 04 th. 2012. ASCE American Society of Civil Engineers.
Chicago-viite (17. p.)Journal of Profesional Issues in Engineering Education & Pratice Volume 138 January No. 01 S/d Oktober No. 04 Th. 2012. ASCE American Society of Civil Engineers, 2012.
MLA-viite (8. p.)Journal of Profesional Issues in Engineering Education & Pratice Volume 138 January No. 01 S/d Oktober No. 04 Th. 2012. ASCE American Society of Civil Engineers, 2012.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.