Dyfyniad APA

.Johns Hopkins Bloomberg School of Public Health. (2019). .Public HealthL. .Johns Hopkins Bloomberg School of Public Health.

Dyfyniad Arddull Chicago

.Johns Hopkins Bloomberg School of Public Health. .Public HealthL. New york: .Johns Hopkins Bloomberg School of Public Health, 2019.

Dyfyniad MLA

.Johns Hopkins Bloomberg School of Public Health. .Public HealthL. .Johns Hopkins Bloomberg School of Public Health, 2019.

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