APA (7 वां संस्करण) प्रशस्ति पत्र

pei, m. (1981). The lexicon Webster dictionary: With a historical sketch of the English language. English-Language Institute of America.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

pei, mario. The Lexicon Webster Dictionary: With a Historical Sketch of the English Language. [Chicago]: English-Language Institute of America, 1981.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

pei, mario. The Lexicon Webster Dictionary: With a Historical Sketch of the English Language. English-Language Institute of America, 1981.

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