APA (7 वां संस्करण) प्रशस्ति पत्र
Poems and plays for children: Poems and plays for children. NCFU.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPoems and Plays for Children: Poems and Plays for Children. NCFU.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPoems and Plays for Children: Poems and Plays for Children. NCFU.
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