APA সাইটেশন

Maddern, G., Paterson, H. S., Craddock, D. R., Ross, I. K., Stubberfield, J., Picozzi, S., & Leppard, P. B. (1990). A 4-Year Experience with the Björk-Shiley Monostrut Valve.

শিকাগো স্টাইলে সাইটেশন

Maddern, Guy, Hugh S. Paterson, David R. Craddock, Iain K. Ross, John Stubberfield, Stefano Picozzi, এবং Phillip B. Leppard. A 4-Year Experience With the Björk-Shiley Monostrut Valve. 1990.

এমএলএ সাইটেশন

Maddern, Guy, et al. A 4-Year Experience With the Björk-Shiley Monostrut Valve. 1990.