Creswell, J. W. (1994). Research Design. Qualitative & Quantitative Approaches. SAGE Publications.
Chicago-стиль цитированияCreswell, John W. Research Design. Qualitative & Quantitative Approaches. Thousand Oaks; London; New Delhi: SAGE Publications, 1994.
MLA-цитированиеCreswell, John W. Research Design. Qualitative & Quantitative Approaches. SAGE Publications, 1994.
Предупреждение: эти цитирования не могут быть точны на 100%.
