Cita APA

Denscombe, M., & Denscombe, M. (2012). Research proposals: A practical guide. Maidenhead, England: McGraw-Hill.

Citación estilo Chicago

Denscombe, Martyn, y Martyn Denscombe. Research Proposals: A Practical Guide. Maidenhead, England: McGraw-Hill, 2012.

Cita MLA

Denscombe, Martyn, y Martyn Denscombe. Research Proposals: A Practical Guide. Maidenhead, England: McGraw-Hill, 2012.