Seppälä, H., Skurnik, M., Soini, H., Roberts, M. C., & Huovinen, P. (1998). A Novel Erythromycin Resistance Methylase Gene (ermTR) in Streptococcus pyogenes. American Society for Microbiology.
استشهاد بنمط شيكاغوSeppälä, Helena, Mikael Skurnik, Hanna Soini, Marilyn C. Roberts, و Pentti Huovinen. A Novel Erythromycin Resistance Methylase Gene (ermTR) in Streptococcus Pyogenes. American Society for Microbiology, 1998.
MLA استشهادSeppälä, Helena, et al. A Novel Erythromycin Resistance Methylase Gene (ermTR) in Streptococcus Pyogenes. American Society for Microbiology, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.