Cita APA (7a ed.)
Martin Trautschold, G. M. iPhone 4 Made Simple. Apress.
Cita estilo Chicago (17a ed.)
Martin Trautschold, Gary Mazo. IPhone 4 Made Simple. Berkeley, EUA: Apress.
Cita MLA (9a ed.)
Martin Trautschold, Gary Mazo. IPhone 4 Made Simple. Apress.
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