Cita APA (7a ed.)
Tivnan, T. (2007). Authors demand NPI payment. Bookseller, 5311, 6.
Cita Chicago Style (17a ed.)
Tivnan, Tom. "Authors Demand NPI Payment." Bookseller 5311 (2007): 6.
Cita MLA (9a ed.)
Tivnan, Tom. "Authors Demand NPI Payment." Bookseller, 5311, 2007, p. 6.
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