Costley, C., & Fulton, J. (2019). Methodologies for practice research: Approaches for professional doctorates. SAGE Publications Ltd SAGE Publications Inc.
Lua i Stíl Chicago (17ú heag.)Costley, Carol, agus John Fulton. Methodologies for Practice Research: Approaches for Professional Doctorates. London, Thousand Oaks, California: SAGE Publications Ltd SAGE Publications Inc, 2019.
Lua MLA (9ú heag.)Costley, Carol, agus John Fulton. Methodologies for Practice Research: Approaches for Professional Doctorates. SAGE Publications Ltd SAGE Publications Inc, 2019.
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