Packard, W. (1974). The craft of poetry: Interviews from "The New York Quarterly". Doubleday.
Lua i Stíl Chicago (17ú heag.)Packard, William. The Craft of Poetry: Interviews from "The New York Quarterly". New York: Doubleday, 1974.
Lua MLA (8ú heag.)Packard, William. The Craft of Poetry: Interviews from "The New York Quarterly". Doubleday, 1974.
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