Cita APA (7a ed.)

Randall, L. E., & Sharpnack, D. M. (1950). Market research sources: A guide to information on domestic marketing. U.S. Department of Commerce.

Cita Chicago Style (17a ed.)

Randall, Lois E., y Dorothy M. Sharpnack. Market Research Sources: A Guide to Information on Domestic Marketing. Washington: U.S. Department of Commerce, 1950.

Cita MLA (9a ed.)

Randall, Lois E., y Dorothy M. Sharpnack. Market Research Sources: A Guide to Information on Domestic Marketing. U.S. Department of Commerce, 1950.