Boyd, H. W., & Westfall, R. L. (1960). Evaluation of continuous consumer panels as a source of marketing information. American Marketing Association.
Цитирование в стиле Чикаго (17-е изд.)Boyd, Harper W., и Ralph L. Westfall. Evaluation of Continuous Consumer Panels as a Source of Marketing Information. [Chicago]: American Marketing Association, 1960.
Цитирование MLA (9-е изд.)Boyd, Harper W., и Ralph L. Westfall. Evaluation of Continuous Consumer Panels as a Source of Marketing Information. American Marketing Association, 1960.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.