National Beautification and Cleanliness Committee. Content Committee. (1967). National beautification and cleanliness campaign: General information. s.n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Beautification and Cleanliness Committee. Content Committee. National Beautification and Cleanliness Campaign: General Information. [Manila: s.n, 1967.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNational Beautification and Cleanliness Committee. Content Committee. National Beautification and Cleanliness Campaign: General Information. s.n, 1967.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.