APA (7 वां संस्करण) प्रशस्ति पत्र

Beltran, G. S. The Philippine personal income tax as a mechanism for income redistribution. -- 1977.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Beltran, Gil S. The Philippine Personal Income Tax as a Mechanism for Income Redistribution. -- 1977.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Beltran, Gil S. The Philippine Personal Income Tax as a Mechanism for Income Redistribution. -- 1977.

चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.