Jolie, R., Bäckström, L., & Thomas, C. (1998). Health problems in veterinary students after visiting a commercial swine farm.
استشهاد بنمط شيكاغوJolie, R., L. Bäckström, و C. Thomas. Health Problems in Veterinary Students After Visiting a Commercial Swine Farm. 1998.
MLA استشهادJolie, R., L. Bäckström, و C. Thomas. Health Problems in Veterinary Students After Visiting a Commercial Swine Farm. 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.