Dyfyniad APA

Hughes, J. R., & Carpenter, M. J. (2006). Stopping smoking: Carpe diem? BMJ Group.

Dyfyniad Arddull Chicago

Hughes, John R., and Matthew J. Carpenter. Stopping Smoking: Carpe Diem? BMJ Group, 2006.

Dyfyniad MLA

Hughes, John R., and Matthew J. Carpenter. Stopping Smoking: Carpe Diem? BMJ Group, 2006.

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