APA
Prospect, . (1998). Prospect tehnic. Emmingen-Liptingen: .
Chicago
Prospect, . 1998. Prospect tehnic. Emmingen-Liptingen: .
Harvard
Prospect, . (1998). Prospect tehnic. Emmingen-Liptingen: .
MLA
Prospect, . Prospect tehnic. Emmingen-Liptingen: . 1998.