APA ציטוט

el-Sherif, N., el-Ramly, Z., & Sorour, A. H. (1969). Oesophageal electrocardiography in the stdy of cardiac arrhythmias.

Citação norma Chicago

el-Sherif, N., Z. el-Ramly, and A H. Sorour. Oesophageal Electrocardiography in the Stdy of Cardiac Arrhythmias. 1969.

ציטוט MLA

el-Sherif, N., Z. el-Ramly, and A H. Sorour. Oesophageal Electrocardiography in the Stdy of Cardiac Arrhythmias. 1969.