429287 Siragusa, C. R. (1980). Introduction to basic: A structured approach. Boston, Mass. : Prindle, Weber & Schmidt.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र429287 Siragusa, Chris R. Introduction to Basic: A Structured Approach. Boston, Mass. : Prindle, Weber & Schmidt, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्र429287 Siragusa, Chris R. Introduction to Basic: A Structured Approach. Boston, Mass. : Prindle, Weber & Schmidt, 1980.
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