APA استشهاد

Burstein, J. M., & Levy, B. S. (1994). The teaching of occupational health in US medical schools: Little improvement in 9 years.

استشهاد بنمط شيكاغو

Burstein, J M., و B S. Levy. The Teaching of Occupational Health in US Medical Schools: Little Improvement in 9 Years. 1994.

MLA استشهاد

Burstein, J M., و B S. Levy. The Teaching of Occupational Health in US Medical Schools: Little Improvement in 9 Years. 1994.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.