Dyfyniad APA

Winfield, A. J., & Richards, R. M. E. (1998). Pharmaceutical practice. Churchill Livingstone.

Dyfyniad Arddull Chicago

Winfield, A. Jand, and R. M. E. Richards. Pharmaceutical Practice. U. K.: Churchill Livingstone, 1998.

Dyfyniad MLA

Winfield, A. Jand, and R. M. E. Richards. Pharmaceutical Practice. Churchill Livingstone, 1998.

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