APA (7 वां संस्करण) प्रशस्ति पत्र
Boles, H. W. (1965). Step by step to better school facilities. Holt, Rinehart and Winston.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Boles, Harold W. Step by Step to Better School Facilities. New York: Holt, Rinehart and Winston, 1965.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Boles, Harold W. Step by Step to Better School Facilities. Holt, Rinehart and Winston, 1965.
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