Dyfyniad APA

Raiha, I., Kaprio, J., Koskenvuo, M., Rajala, T., & Sourander, L. (1998). Environmental differences in twin pairs discordant for Alzheimer's disease. BMJ Group.

Dyfyniad Arddull Chicago

Raiha, I., J. Kaprio, M. Koskenvuo, T. Rajala, and L. Sourander. Environmental Differences in Twin Pairs Discordant For Alzheimer's Disease. BMJ Group, 1998.

Dyfyniad MLA

Raiha, I., et al. Environmental Differences in Twin Pairs Discordant For Alzheimer's Disease. BMJ Group, 1998.

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