Zikmund, W. G., & William G.Zikmund; Barry J. Babin. (2007). Essentials of marketing research. Australia: Thomson South-Western.
Chicago-стиль цитированияZikmund, William G., và William G.Zikmund; Barry J. Babin. Essentials of Marketing Research. Australia: Thomson South-Western, 2007.
MLA-цитированиеZikmund, William G., và William G.Zikmund; Barry J. Babin. Essentials of Marketing Research. Australia: Thomson South-Western, 2007.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.