Tufail, J., & Lyon, K. (2007). Introducing advocacy: The first book of speaking up a plain text guide to advocacy (ed.). Jessica Kingsley Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTufail, John, और Kate Lyon. Introducing Advocacy: The First Book of Speaking Up a Plain Text Guide to Advocacy. ed. London: Jessica Kingsley Publishers, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTufail, John, और Kate Lyon. Introducing Advocacy: The First Book of Speaking Up a Plain Text Guide to Advocacy. ed. Jessica Kingsley Publishers, 2007.
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