Gaya APA

Clean Power. (1980). Nederland: Wartsila NSD.

Gaya Chicago

Clean Power. . Nederland: Wartsila NSD, 1980. Text.

Gaya MLA

Clean Power. . Nederland: Wartsila NSD, 1980. Text.

Gaya Turabian

Clean Power. Nederland: Wartsila NSD, 1980. Print.