Cita APA (7a ed.)
Markham, C., & Sturdy, A. The Art of Consultancy. Legend Business.
Cita estilo Chicago (17a ed.)
Markham, Calvert, y Andrew Sturdy. The Art of Consultancy. Londres, Inglaterra: Legend Business.
Cita MLA (9a ed.)
Markham, Calvert, y Andrew Sturdy. The Art of Consultancy. Legend Business.
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