Cita APA (7a ed.)
Rugg, G., & Petre, M. (2007). A gentle guide to research methods. Open University Press.
Cita Chicago Style (17a ed.)
Rugg, Gordon, y Marian Petre. A Gentle Guide to Research Methods. Maidenhead: Open University Press, 2007.
Cita MLA (9a ed.)
Rugg, Gordon, y Marian Petre. A Gentle Guide to Research Methods. Open University Press, 2007.
Precaución: Estas citas no son 100% exactas.