O'Neill, P. G. (1973). Essential Kanji: 2,000 basic Japanese characters systematically arranged for learning and reference. Weatherhill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रO'Neill, P. G. Essential Kanji: 2,000 Basic Japanese Characters Systematically Arranged for Learning and Reference. Boston: Weatherhill, 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रO'Neill, P. G. Essential Kanji: 2,000 Basic Japanese Characters Systematically Arranged for Learning and Reference. Weatherhill, 1973.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.