Grimaldi, R. P., & Ramana,B.V. (2007). Discrete and combinatorial mathematics: An applied introduction (Fifthe edition.). Pearson Addison Wesley; Pearson education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGrimaldi, Ralph P., और Ramana,B.V. Discrete and Combinatorial Mathematics: An Applied Introduction. Fifthe edition. Boston; New Delhi: Pearson Addison Wesley; Pearson education, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGrimaldi, Ralph P., और Ramana,B.V. Discrete and Combinatorial Mathematics: An Applied Introduction. Fifthe edition. Pearson Addison Wesley; Pearson education, 2007.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.