APA (7 वां संस्करण) प्रशस्ति पत्र

SAH, S. (2008). GREEN GENIUS' 101 QUESTIONS & ANSWERS EXCITING ENVIRONMENT: THE QUICKEST WAY O INCREASE YOUR GREEN QUOTIENT. PEARSON EDUCATION.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

SAH, SNIGDHA. GREEN GENIUS' 101 QUESTIONS & ANSWERS EXCITING ENVIRONMENT: THE QUICKEST WAY O INCREASE YOUR GREEN QUOTIENT. NEW DELHI: PEARSON EDUCATION, 2008.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

SAH, SNIGDHA. GREEN GENIUS' 101 QUESTIONS & ANSWERS EXCITING ENVIRONMENT: THE QUICKEST WAY O INCREASE YOUR GREEN QUOTIENT. PEARSON EDUCATION, 2008.

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