APA ציטוט

McLaren, M. J., Lachman, A. S., & Barlow, J. B. (1979). Prevalence of congenital heart disease in black schoolchildren of Soweto, Johannesburg.

Citação norma Chicago

McLaren, M J., A S. Lachman, and J B. Barlow. Prevalence of Congenital Heart Disease in Black Schoolchildren of Soweto, Johannesburg. 1979.

ציטוט MLA

McLaren, M J., A S. Lachman, and J B. Barlow. Prevalence of Congenital Heart Disease in Black Schoolchildren of Soweto, Johannesburg. 1979.