PAL SAT. (1984). TEXT BOOK OF TWO DIMENSIONAL GEOMETRY. WILEY EASTERN LTD.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPAL SAT. TEXT BOOK OF TWO DIMENSIONAL GEOMETRY. NEW DELHI: WILEY EASTERN LTD, 1984.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPAL SAT. TEXT BOOK OF TWO DIMENSIONAL GEOMETRY. WILEY EASTERN LTD, 1984.
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