APA استشهاد

Roberts, D. H., & Sowray, J. H. (1979). Local analgesia in dentistry (Ed.2.).

استشهاد بنمط شيكاغو

Roberts, D H., و J H. Sowray. Local Analgesia in Dentistry. Ed.2. Bristol, John Wright & Sons, 1979.

MLA استشهاد

Roberts, D H., و J H. Sowray. Local Analgesia in Dentistry. Ed.2. 1979.