APA ציטוט

Ell, C., Lux, G., Hochberger, J., Müller, D., & Demling, L. (1988). Laserlithotripsy of common bile duct stones.

Citação norma Chicago

Ell, C., G. Lux, J. Hochberger, D. Müller, and L. Demling. Laserlithotripsy of Common Bile Duct Stones. 1988.

ציטוט MLA

Ell, C., et al. Laserlithotripsy of Common Bile Duct Stones. 1988.