APA引文

Craig, B. G. (1991). Doppler assessment of pulmonary artery pressure in acute phase of hyaline membrane disease.

Citação norma Chicago

Craig, B G. Doppler Assessment of Pulmonary Artery Pressure in Acute Phase of Hyaline Membrane Disease. 1991.

MLA引文

Craig, B G. Doppler Assessment of Pulmonary Artery Pressure in Acute Phase of Hyaline Membrane Disease. 1991.

警告：這些引文格式不一定是100％准確.