Allen, B., Pederson, L. L., & Leonard, E. H. (1998). Effectiveness of physicians-in-training counseling for smoking cessation in African Americans. National Medical Association.
Chicago-стиль цитированияAllen, B., L. L. Pederson, and E. H. Leonard. Effectiveness of Physicians-in-training Counseling for Smoking Cessation in African Americans. National Medical Association, 1998.
MLA-цитированиеAllen, B., L. L. Pederson, and E. H. Leonard. Effectiveness of Physicians-in-training Counseling for Smoking Cessation in African Americans. National Medical Association, 1998.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.