Sassi. International Companion to Scottish Poetry. Association for Scottish Literary Studies.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSassi. International Companion to Scottish Poetry. Association for Scottish Literary Studies.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSassi. International Companion to Scottish Poetry. Association for Scottish Literary Studies.
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