Não informado. (2004). Lecture Notes in Operations Research and Mathematical Systems. Springer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Lecture Notes in Operations Research and Mathematical Systems. Berlin: Springer, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Lecture Notes in Operations Research and Mathematical Systems. Springer, 2004.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.