Não informado. (1999). Annals of Software Engineering. Baltzer Science Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Annals of Software Engineering. Bussum, Holanda: Baltzer Science Publishers, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Annals of Software Engineering. Baltzer Science Publishers, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.