APA (7th ed.) Citation

Hull, C. (1976). Principal sources of marketing information. Times Information & Marketing Intelligence Unit.

Chicago Style (17th ed.) Citation

Hull, Christine. Principal Sources of Marketing Information. [London]: Times Information & Marketing Intelligence Unit, 1976.

MLA (9th ed.) Citation

Hull, Christine. Principal Sources of Marketing Information. Times Information & Marketing Intelligence Unit, 1976.

Warning: These citations may not always be 100% accurate.