Porter, C., Craig, S., Burley, M., Levy, E., Hinds, H., Williams, A., & Craig, I. (1990). A BamHI polymorphism at the DBH locus.
Dyfyniad Arddull ChicagoPorter, C.J., S.P Craig, M. Burley, E.R Levy, H. Hinds, A. Williams, and I.W Craig. A BamHI Polymorphism At the DBH Locus. 1990.
Dyfyniad MLAPorter, C.J., et al. A BamHI Polymorphism At the DBH Locus. 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.