Dyfyniad APA

Tribby, C. P., Julian, A. K., Oh, A. Y., Perna, F. M., & Berrigan, D. (2020). Associations between ultraviolet radiation, tree cover and adolescent sunburns. Int J Health Geogr.

Dyfyniad Arddull Chicago

Tribby, Calvin P., Anne K. Julian, April Y. Oh, Frank M. Perna, and David Berrigan. "Associations between Ultraviolet Radiation, Tree Cover and Adolescent Sunburns." Int J Health Geogr 2020.

Dyfyniad MLA

Tribby, Calvin P., et al. "Associations between Ultraviolet Radiation, Tree Cover and Adolescent Sunburns." Int J Health Geogr 2020.

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