Cita APA (7th ed.)
Olsen, R. (2010). OmniGraffle 5 diagramming essentials: Create better diagrams with less effort using OmniGraffle. Packt.
Cita Chicago (17th ed.)
Olsen, Ruben. OmniGraffle 5 Diagramming Essentials: Create Better Diagrams with Less Effort Using OmniGraffle. Birmingham: Packt, 2010.
Cita MLA (9th ed.)
Olsen, Ruben. OmniGraffle 5 Diagramming Essentials: Create Better Diagrams with Less Effort Using OmniGraffle. Packt, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.