APA-viite (7. p.)

Boyd, H. W., & Westfall, R. L. (1960). Evaluation of continuous consumer panels as a source of marketing information. American Marketing Association.

Chicago-viite (17. p.)

Boyd, Harper W., ja Ralph L. Westfall. Evaluation of Continuous Consumer Panels as a Source of Marketing Information. [Chicago]: American Marketing Association, 1960.

MLA-viite (9. p.)

Boyd, Harper W., ja Ralph L. Westfall. Evaluation of Continuous Consumer Panels as a Source of Marketing Information. American Marketing Association, 1960.