Dyfyniad APA

Barsumian, E. L., Cunningham, C. M., Schlievert, P. M., & Watson, D. W. (1978). Heterogeneity of group A streptococcal pyrogenic exotoxin type B.

Dyfyniad Arddull Chicago

Barsumian, E L., C M. Cunningham, P M. Schlievert, and D W. Watson. Heterogeneity of Group A Streptococcal Pyrogenic Exotoxin Type B. 1978.

Dyfyniad MLA

Barsumian, E L., C M. Cunningham, P M. Schlievert, and D W. Watson. Heterogeneity of Group A Streptococcal Pyrogenic Exotoxin Type B. 1978.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.