APA citiranje

Gnanapragasam, J. P., Houston, A. B., Doig, W. B., Fraser, R., Lilley, S., Murtagh, E., & Olafsson, G. (1991). Influence of colour Doppler echocardiography on the ultrasonic assessment of congenital heart disease: A prospective study.

Citação norma Chicago

Gnanapragasam, J P., A B. Houston, W B. Doig, R. Fraser, S. Lilley, E. Murtagh, and G. Olafsson. Influence of Colour Doppler Echocardiography On the Ultrasonic Assessment of Congenital Heart Disease: A Prospective Study. 1991.

MLA citiranje

Gnanapragasam, J P., et al. Influence of Colour Doppler Echocardiography On the Ultrasonic Assessment of Congenital Heart Disease: A Prospective Study. 1991.