1. Rogers EM, Shoemaker FF. Communication of innovations: a cross-cultural approach. 2nd ed. New York: Free Press; 1971.
2. Berlo D. Process of communication: an introduction to theory and practice: Harcourt School; 1960.
3. O’Keefe DJ. Persuasion: theory and research. Newbury Park, CA: Sage; 1990.
4. Cangelosi JD, Markham FS. A descriptive study of personal, institutional, and media sources of preventive health care information. Health Mark Q. 1994;12:23–36.
https://doi.org/10.1300/J026v12n01_04
.
5. Gollop CJ. Health information-seeking behavior and older African American women. Bull Med Libr Assoc. 1997;85:141–6.