ROBERTSON MARGARET. (2022). SUSTAINABILITY PRINCIPLES AND PRACTICE (3RD ED.). ROUTLEDGE TAYLOR AND FRANCIS GROUP.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रROBERTSON MARGARET. SUSTAINABILITY PRINCIPLES AND PRACTICE. 3RD ED. NEW YORK: ROUTLEDGE TAYLOR AND FRANCIS GROUP, 2022.
एमएलए (9वां संस्करण) प्रशस्ति पत्रROBERTSON MARGARET. SUSTAINABILITY PRINCIPLES AND PRACTICE. 3RD ED. ROUTLEDGE TAYLOR AND FRANCIS GROUP, 2022.
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