APA (7 वां संस्करण) प्रशस्ति पत्र

(1984). Environmental guidelines for the diesel vehicle. Industry & Environment Office, United NationsEnvironment Programme.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Environmental Guidelines for the Diesel Vehicle. [Paris?]: Industry & Environment Office, United NationsEnvironment Programme, 1984.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Environmental Guidelines for the Diesel Vehicle. Industry & Environment Office, United NationsEnvironment Programme, 1984.