Graybiel, A. Electrocardiography in practice: Saunders.
芝加哥风格引文Graybiel, Ashton. Electrocardiography in Practice: Saunders.
MLA引文Graybiel, Ashton. Electrocardiography in Practice: Saunders.
警告：这些引文格式不一定是100％准确.
APA引文
Graybiel, A. Electrocardiography in practice: Saunders.
芝加哥风格引文Graybiel, Ashton. Electrocardiography in Practice: Saunders.
MLA引文Graybiel, Ashton. Electrocardiography in Practice: Saunders.