Scheerer, O. (1924). On the essential difference between the verbs of the European and the Philippine languages. Manila.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रScheerer, Otto. On the Essential Difference Between the Verbs of the European and the Philippine Languages. Bureau of Science of the Philippine Government: Manila, 1924.
एमएलए (9वां संस्करण) प्रशस्ति पत्रScheerer, Otto. On the Essential Difference Between the Verbs of the European and the Philippine Languages. Manila, 1924.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.